L1401 – White/4W/3000K/400lm/120˚/L309*W23*H31 – LED Tube Light Kosoom


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Free shipping for orders over 120€ in Italy and free shipping for orders over 200€ in other parts of Europe

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Single product layout---Founded in Italy

2% discount

More than €500

4% discount

More than €1000

6% discount

More than €3000

Are you an electrician or lighting professional?​

SKU: L1401 Categories: ,
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Strong and sturdy

Not only does it provide efficient lighting, it also uses advanced energy-saving technology to provide long-lasting brightness for your space. Its rugged and durable design ensures long-term stable operation, creating a reliable lighting environment for you and letting you say goodbye to the trouble of frequently replacing lamps.

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Electricity protection

Using advanced power protection technology, it provides you with a stable and reliable lighting experience. Regardless of voltage fluctuations or power fluctuations, our products can automatically adjust to ensure stable operation of the lamps and extend their service life, allowing you to enjoy long-lasting high-quality lighting.

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Energy saving and environmental protection

LED linear lights are the leader in environmentally friendly lighting, using advanced LED technology to provide you with excellent lighting effects with efficient energy utilization. Not only does it significantly reduce energy consumption, it also creates a clean, green light for your living and working environment.

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For indoor use

LED linear lights use exquisite light and shadow designs to inject a warm and modern atmosphere into your indoor space. Whether it is a living room, bedroom or office space, our products can provide soft and even light to create a comfortable and pleasant living environment for you.


Easy to install

LED linear lights use advanced technology to start up faster than traditional T5 lamps. Lights up instantly and reaches full brightness instantly, allowing you to feel bright and clear light the moment you enter the room, enhancing your indoor experience.

Structure diagram

The LED linear lamp is equipped with a high-quality diffractometer, which can scatter the light more evenly and avoid the glare of the light source. This exquisite design not only improves the lighting effect of the lamp, but also creates a soft and comfortable lighting atmosphere for your interior.


Application scenarios

LED linear lights feature the high energy efficiency of T5 tubes, providing you with excellent lighting effects while significantly reducing energy consumption. This energy-efficient design not only benefits your electricity bill, but also makes a positive contribution to the environment, making it an ideal choice for you to save energy and protect the environment.

8 production bases around the world

Kosoom has grown from a small Italian lighting company to a global brand headquartered in Milan, becoming a preeminent supplier to the lighting industry. With 8 production bases around the world and a strong supply chain system, we spread high-quality lighting products to every corner of the earth. We have won recognition from customers around the world with our solid service system and stable and reliable quality assurance. No matter when and where, our Italian warehouse can provide massive inventory to meet the needs of different customers.

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About Us

As Italy’s leading commercial lighting brand, Kosoom has emerged in the lighting industry with its excellent design, innovative technology and cost-effective products. Our products are known for their high cost performance, and we are committed to providing customers with excellent lighting effects while maintaining reasonable prices. This balance makes our products popular in the market and widely used in various commercial venues, including retail stores, office lighting, supermarket lighting, hotels, etc.

Our proud product line covers all types of commercial lighting solutions, represented by linear lightstrack lightslight stripsLED spotlights and profiles. Designed with full consideration of the needs of modern commercial spaces, these products are not only functionally superior, but also fashionable and uniquely artistic in appearance.

Range Plafoniera T5
Series SLL007-A
Color White
Power 4W
Color Temperature 3000K
Lumen(LM) 400
Angle 120˚
CRI >=80
UGR <=22
PF 0.9
Size L309*W23*H31


Welcome to the world of Kosoom’s LED Tube Light! If you’re looking for a lighting solution that combines efficiency, longevity, and eco-friendliness, you’re in the right place. In this detailed introduction, we’ll explore the key parameters of our product: the LED Tube Light – White/4W/3000K/400lm/120˚/L309W23H31 – Kosoom L1401. LED Tube Lights: A Modern Lighting Revolution Before diving into the specifics of our product, let’s understand the basics of LED tube lights. LED stands for Light Emitting Diode, and it’s a semiconductor device that produces light when an electric current passes through it. The efficiency of LEDs is impressive, emitting more light while consuming less electricity compared to traditional incandescent and fluorescent lamps. LED Tube Light Construction Our Kosoom LED Tube Light features a cutting-edge design. Multiple LEDs are meticulously arranged within a diffused tube, reminiscent of traditional fluorescent tubes. This design not only ensures uniform illumination but also enhances the overall aesthetics of your space. Benefits of Kosoom LED Tube Lights Let’s delve into the advantages of choosing Kosoom LED Tube Lights:
  1. Energy Efficiency: With a power rating of just 4W, our LED Tube Light delivers a remarkable 400 lumens of brightness. This means you get an abundance of light while significantly reducing your electricity bills.
  2. Longevity: Say goodbye to frequent replacements! Kosoom LED Tube Lights have an impressive lifespan of 30,000 to 50,000 hours or even more, ensuring years of reliable illumination.
  3. Reduced Heat Emission: Unlike traditional lighting sources, LEDs emit minimal heat. This not only contributes to safety by reducing the risk of fires but can also help cut down on cooling costs.
  4. Instant Light: Need immediate illumination? Kosoom LED Tube Lights light up instantly, providing you with bright, reliable lighting when you need it most.
  5. Eco-Friendly: Our LED Tube Lights are environmentally responsible. They don’t contain harmful substances like mercury, which is found in some fluorescent tubes, making them safe for both you and the planet.
Types of LED Tube Lights We offer various types of LED Tube Lights to suit your specific needs:
  • Direct Fit (Plug and Play): Designed for easy installation into existing fluorescent fixtures without any modifications. They work seamlessly with the existing ballast.
  • Ballast-Bypass (Direct Wire): These tubes require the removal or bypassing of the ballast and direct connection to the mains power.
  • Ballast-Compatible: Enjoy flexibility with tubes that can operate with or without a ballast.
  • Hybrid: Get the best of both worlds with tubes that can operate with a ballast or via a ballast bypass.
Brightness & Color Temperature Our LED Tube Lights come in various brightness levels, measured in lumens, to cater to your specific lighting requirements. Additionally, the color temperature, measured in Kelvin (K), ensures you can choose between warm, yellowish light (e.g., 3000K) or cool, blueish light (e.g., 6500K) to create the perfect ambiance. Compatibility and Price Before making your purchase, it’s essential to consider compatibility with your existing fixtures. Some LED tubes may require modifications, such as ballast bypass. While the upfront cost of LED Tube Lights may be slightly higher than traditional options, the long-term benefits, including energy savings and reduced maintenance costs, make them a smart investment. Safety & Installation If you’re transitioning from fluorescent to LED, especially with ballast-bypass tubes, safety is paramount. Always turn off the power and consult a professional if you’re unsure about the installation process. In summary, Kosoom LED Tube Lights offer a winning combination of energy efficiency, longevity, and environmental responsibility. As a brand dedicated to high-efficiency LED lighting, we’re committed to providing you with top-notch products and service. Let’s explore the various scenarios where our LED Tube Lights can shine.


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Now that we’ve uncovered the brilliance of Kosoom LED Tube Lights, let’s explore the diverse scenarios where they can illuminate your life. Whether you’re at home, in the office, or in a commercial setting, our LED Tube Lights are versatile and efficient, making them the ideal lighting solution for a wide range of applications. Home Sweet Home In your residence, Kosoom LED Tube Lights can transform any room into a well-lit, inviting space. Here are some common household applications:
  1. Kitchen: Brighten up your cooking and meal prep areas with our LED Tube Lights. Their crisp, clear illumination ensures you can chop, cook, and dine with ease.
  2. Living Room: Create a cozy atmosphere for family movie nights or reading sessions. Choose the color temperature that suits your ambiance preferences.
  3. Bedroom: Say goodbye to harsh, glaring lights. Our LED Tube Lights provide gentle, soothing illumination perfect for relaxation and bedtime reading.
  4. Bathroom: Achieve optimal visibility in your bathroom for grooming routines with our bright and efficient LED Tube Lights.
  5. Hallways and Corridors: Keep your hallways and corridors well-lit, enhancing safety and navigation throughout your home.
Office and Commercial Spaces Kosoom LED Tube Lights are equally at home in professional settings. Here are some applications where they shine:
  1. Office: Boost productivity and comfort in the workplace with ample and efficient lighting. Reduce eye strain and create a conducive environment for tasks.
  2. Retail Stores: Showcase your products with impeccable lighting, drawing customers in with vibrant displays.
  3. Warehouses: Illuminate large spaces with high bay LED Tube Lights. Enjoy energy savings and superior visibility in storage areas.
  4. Schools and Educational Institutions: Provide optimal lighting for learning environments, helping students stay focused and engaged.
  5. Hospitals and Healthcare Facilities: Ensure accurate diagnosis and treatment with reliable and bright LED lighting in medical settings.
Hospitality Industry Kosoom LED Tube Lights are also a perfect fit for the hospitality sector:
  1. Hotels: Welcome guests with well-lit, inviting interiors. Create a relaxing atmosphere in rooms and public spaces.
  2. Restaurants and Cafes: Enhance the dining experience with warm, inviting lighting. Set the mood for romantic dinners or casual brunches.
  3. Event Venues: Illuminate weddings, conferences, and gatherings with the right balance of brightness and ambiance.
Outdoor Applications Our LED Tube Lights aren’t limited to indoor use. They can also enhance outdoor areas:
  1. Gardens and Patios: Extend your outdoor activities into the evening with our LED Tube Lights. Create a magical atmosphere for gatherings and relaxation.
  2. Parking Lots: Ensure safety and security in parking areas with efficient and bright LED lighting.
  3. Street Lighting: Light up streets and walkways with our energy-efficient LED Tube Lights, contributing to safer urban environments.
Custom Solutions Kosoom understands that every space is unique. That’s why we offer custom lighting solutions tailored to your specific needs. Our expert team can help you design and implement the perfect lighting scheme for your home, office, or commercial establishment. With Kosoom LED Tube Lights, the possibilities are endless. From enhancing the aesthetics of your home to improving productivity in your workspace, our lighting solutions are designed to make every environment brighter and better. Now that you’ve explored the applications, let’s move on to the next step: installation.

Installation Guide

Installing Kosoom LED Tube Lights is a straightforward process, and we’re here to guide you every step of the way. Our comprehensive installation guide ensures that you can enjoy the benefits of our LED Tube Lights with ease and confidence. Before You Begin Before embarking on the installation journey, ensure that you have the following:
  1. Kosoom LED Tube Lights: Check that you have the correct model – LED Tube Light – White/4W/3000K/400lm/120˚/L309W23H31 – Kosoom L1401.
  2. Tools: Gather the necessary tools for installation, including a screwdriver, wire connectors, wire strippers, and safety gear (gloves and safety glasses).
  3. Safety First: Turn off the power supply to the existing fixture at the circuit breaker or fuse box. Ensure that the area is safe to work in.
Installation Steps Follow these step-by-step instructions for a successful installation: Step 1: Remove Existing Tube
  • If you are replacing a traditional fluorescent tube, carefully remove it from the fixture by gently rotating it counterclockwise and pulling it out.
Step 2: Check Existing Ballast (If Applicable)
  • If your existing fixture has a ballast, check if your Kosoom LED Tube Light is compatible with it. Refer to our compatibility guide to ensure a seamless transition.
Step 3: Bypass the Ballast (If Necessary)
  • For ballast-bypass tubes, disconnect or bypass the ballast. Consult a professional electrician if you are unsure about this step.
Step 4: Wiring
  • Connect the wires from your Kosoom LED Tube Light to the mains power supply. Follow the manufacturer’s instructions and ensure secure connections.
Step 5: Insert the LED Tube
  • Carefully insert your Kosoom LED Tube Light into the fixture, making sure it fits securely.
Step 6: Test the Light
  • Turn the power back on and test the light to ensure it’s working correctly.
Step 7: Enjoy Brilliant Lighting
  • Congratulations! You’ve successfully installed your Kosoom LED Tube Light. Enjoy the energy-efficient, long-lasting illumination it provides.

Kosoom’s Advantages

Kosoom, a leading Italian lighting brand, is dedicated to providing innovative and cost-effective lighting solutions to meet the diverse needs of our customers. Let’s delve into why Kosoom stands out in the world of LED lighting. Who is Kosoom?
  1. 20 Years of Expertise: Kosoom has been a trusted player in the lighting industry for two decades, with a strong focus on the supply chain.
  2. Global Presence: With a presence in Milan, Italy, and over 12 factories worldwide, Kosoom has a massive global footprint, enabling us to meet customer demands efficiently.
  3. Dedicated Workforce: Our dedicated team of over 1000+ employees ensures that our products reach customers with utmost professionalism and care.
  4. Physical Presence: We believe in the power of both online and offline operations. Our showrooms, warehouses, and physical stores across Europe provide personalized service to our customers.
  5. Strategic Approach: We operate multiple official websites, including kosoom.uk, catering specifically to our UK customers.
Kosoom’s Advantages When it comes to LED lighting, Kosoom offers distinct advantages:
  1. Robust Supply Chain: Our strong supply chain enables us to offer LED lighting products at wholesale prices, often at a fraction of the market rate.
  2. Free Lighting Solutions: Unlike many competitors, we provide free lighting solutions, ensuring that our customers receive expert guidance without additional charges.
  3. European Fulfillment: Kosoom fulfills European orders directly from Italy, thanks to our large-scale offline team in Europe. Our supermarkets in Italy offer exceptional solutions and after-sales service.
  4. In-House Manufacturing: We own our factory, ensuring that all Kosoom lights are produced in-house. This seamless blend of manufacturing and trading allows us to offer top-quality products.
  5. Certifications: Kosoom has obtained all necessary certifications related to LED lights in Europe, providing our customers with peace of mind. We stand by the quality of our products by offering a 5-year warranty.
In conclusion, Kosoom’s LED Tube Light – White/4W/3000K/400lm/120˚/L309W23H31 – Kosoom L1401 is more than just a lighting solution; it’s a testament to our commitment to excellence, cost-effectiveness, and customer satisfaction. Join the Kosoom family and experience the brilliance of LED lighting like never before. Illuminate your world with Kosoom.


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About Kosoom

Kosoom is a renowned professional commercial lighting brand from Italy. You know, we've got eight production bases across the globe. It's quite exciting to share that we've collaborated with clients in over 70 countries worldwide. Our address is Via Talamoni, 6, 20861 Brugherio MB, Italy, and you can reach us at + 0395156222.

We offer a wide range of high-quality commercial lighting products and solutions. This includes various LED lights, strip lights, pendant lights, track lights, downlights, spotlights, and more. At Kosoom, we're dedicated to providing our customers with efficient and energy-saving commercial lighting products and solutions. We leverage advanced technology and top-quality products to offer eco-friendly lighting solutions.

And guess what? We also offer custom services. So, if you've got specific lighting needs, we're here to help tailor solutions just for you!

About Price

All of our lighting products are priced to include VAT, offering fantastic value for money. In fact, many of our products are priced at the lowest rates across Europe, which is pretty astonishing! We've got a hefty stockpile ready to go in our Italian warehouse, so as soon as you place an order on the Kosoom online store, we can dispatch it swiftly. And here's the kicker: our prices are even more competitive than those at Tecnomat. If you're a professional or represent a company, do get in touch with us for some exclusive pricing deals.

About Shipping

Our dispatch point is at Via Talamoni, 6, 20861 Brugherio MB, Italy. We'll be sending your items through BRT or another courier service; if you have any special requests, feel free to get in touch with us. We usually ship within 24-48 hours.

Warranty Period for Products

For all our products, except the custom-made ones, we offer a warranty of 3-5 years. Here's our promise: if there's any quality issue with the product, we'll replace it rather than repair it, making sure your rights are fully protected. As for the warranty period for custom-made products, please reach out to us for more information.

Delivery Time

We dispatch all our orders within 24 to 48 hours. If there's ever a delay due to special circumstances, we'll make sure to let you know right away. As for custom products, we'll agree on a delivery time for these bespoke orders with you.

About Returns

Just a heads-up, if there's nothing wrong with the quality of the product, we can't accept returns. However, if there's a quality issue, we're more than happy to offer a refund or exchange. And remember, all our products come with a 3-5 year warranty.

About Invoices

After you place your order, we'll generate an invoice for you. It'll include all the nitty-gritty details like the order number, a detailed list of the products you've purchased, quantities, prices, any applicable taxes or discounts, and the total amount paid. This invoice will be sent to the email address linked with your order. If you've got any specific requests or need an extra copy of the invoice, just reach out to our customer support team. They're always ready to help you out.

What makes Kosoom's lighting products stand out compared to other brands?

Well, if you compare the prices of other brands' lighting products, you'll notice that many of Kosoom's products are among the most affordably priced in Europe. All our products come with a 3-5 year warranty, giving you long-term quality assurance without worrying about potential issues. Moreover, Kosoom's product range is vast and varied, catering to all sorts of lighting needs, including indoor and outdoor lighting. Whether you're looking for the perfect lighting solution for your home, business, or outdoor spaces, we've got a plethora of options to meet the diverse and individual needs of our customers. We're dedicated to creating a bright and cosy lighting environment and continuously strive for excellence in product variety and quality.

Can I become a distributor for Kosoom?

Absolutely! We welcome you to become a distributor for Kosoom. As our partner, you'll enjoy significant discounts and the support of our eight production bases worldwide, enhancing your business competitiveness.

Are there any special offers for professionals in the industry?

A big salute to the professionals and installers in the lighting industry! We truly appreciate your expertise and contributions in the field. To thank you for your support and cooperation, we offer exclusive discounts just for you. Register now to access these special benefits reserved for you.

How can I view or purchase products with different specifications in the same range?

You can easily view or purchase products and accessories with different specifications in the same range by checking the table below the product images on this page.

Is it possible to customize products according to my needs?

We're more than happy to customize products to meet your specific requirements. However, custom production does require time and resources. Therefore, we have a minimum order of 500 units for custom products, and the production cycle will take at least 30 days.

Can I buy just a few lights if that's all I need?

Of course! You're welcome to purchase as many lights as you need, based on your personal preferences and space requirements. Please note that if your order doesn't meet the free shipping threshold, you may need to pay for shipping. It's worth considering buying more products in one go. Not only does this help reach the free shipping limit, but it also better meets your lighting needs. Plus, having a variety of lights can create a richer lighting effect in different spaces, enhancing both aesthetics and functionality.

Why can't I directly order some products?

Regarding the delivery time for custom products, we ensure that both parties agree on a delivery schedule for the custom order.

Multiple discount offers


Take advantage of up to 20% discount on bulk purchases
(quantity requirements apply)

Multiple discount offers


Take advantage of up to 20% discount on bulk purchases
(quantity requirements apply)

Welcome to KOSOOM, a professional Italian commercial lighting brand. Here we offer you the most cost-effective lighting products in Europe and a range of professional lighting services. Free Delivery Policy: For orders in Italy, we offer free delivery for orders over 120 Euros. For other regions in Europe, free shipping is available for orders over 200 Euros. Multiple Discount Offers: For orders exceeding 500 Euros, you will receive an additional 2% discount. This increases to 4% for orders over 1000 Euros, and for orders over 3000 Euros, you will enjoy a generous 6% discount. Exclusive Industry Discounts: If you are an electrician, wholesaler, lighting professional, or corporate buyer, we are willing to provide additional discounts based on your specific needs, with bulk discounts of up to 20%. Fast Delivery Service: Our goal is to ship within 24 to 48 hours after your order is confirmed, ensuring you receive it as quickly as possible. Long-term Stable Quality Guarantee: All our lighting products come with a 3-5 year quality guarantee, offering extra assurance for your purchase. Contact Us: If you have any questions or needs, please feel free to contact us. Our phone number is +039 515 6222, and our email is [email protected]. KOSOOM looks forward to providing you with high-quality lighting products and attentive service. Let’s work together to create a bright and warm lighting environment!

KOSOOM is a professional and authoritative Italian commercial lighting company, and we always regard product quality as our top priority. To ensure our lighting products maintain a stable, high-quality standard in the market, KOSOOM has implemented a series of strict quality control measures and substantial resource investment, ensuring each lighting product is meticulously manufactured and rigorously inspected. Quality Inspection Process: Every product undergoes a stringent quality inspection process before leaving the factory. This includes packaging checks, appearance inspections, functional tests, stability checks, safety inspections, and photometric parameter testing, covering color temperature, color rendering index, luminous flux, light distribution curves, power, etc. These actions ensure the optimal lighting performance of our products. We also perform aging tests, ground resistance checks, and pressure resistance tests to verify the product’s stability and durability during prolonged use. KOSOOM Quality Assurance Commitment: We provide a 3-5 year warranty for each product, offering a strong guarantee for our product quality. Should any quality issue arise within the warranty period, our dedicated after-sales service team is always ready to assist you. Notably, if a quality issue occurs during use, we adhere to a “replace, not repair” policy to maximize the protection of your rights. Professional After-Sales Service: Our after-sales customer service team is highly professional, capable of responding promptly to your needs and providing expert solutions. We strictly adhere to our after-sales policy, aiming to ensure you feel secure and confident in purchasing and using our products. KOSOOM is committed to providing customers with excellent value for money and consistent product quality, tirelessly working to ensure you always enjoy a high-quality lighting experience.



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Rated 4.5 out of 5

based on 21 authentic reviews

Alice Morgan
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I recently used Kosoom.uk for their LED technology solutions and was amazed by the results. Not only did they provide cutting-edge lighting options, but their attention to detail and customer service were outstanding. What really set them apart, though, was their innovative method of creating Excel files from URLs. It's such a time-saver for organizing and analyzing data. I'm thoroughly impressed and will definitely be returning for future needs.
Michael Brown
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Kosoom.uk has transformed the way we handle our online data. Their unique approach to creating Excel files from URLs has streamlined our processes, making data management more efficient than ever. Additionally, their expertise in LED technology provided us with environmentally friendly and cost-effective lighting solutions. Their team is professional, knowledgeable, and always ready to assist. Highly recommended for anyone needing advanced data handling and LED tech solutions!
Rachel Green
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As an interior designer, I'm always on the lookout for innovative and eco-friendly solutions. Kosoom.uk exceeded my expectations with their state-of-the-art LED technology, offering both style and sustainability. But what really blew me away was their unique service of converting URLs into Excel files – it has revolutionized the way I organize my project resources and client information. Their team is not only skilled but also incredibly supportive and responsive.
Thomas Evans
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I'm genuinely impressed with the services offered by Kosoom.uk. Their advanced LED solutions have significantly improved the ambiance and energy efficiency of my office space. However, the standout feature for me was their ability to convert complex URLs into neatly organized Excel files. This feature has been a game-changer in managing large datasets and has greatly enhanced our operational efficiency. I highly recommend Kosoom.uk for their innovation and excellent customer service.
Laura Hughes
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Working with Kosoom.uk has been an absolute pleasure. Their LED lighting solutions are not only innovative but also incredibly energy-efficient, bringing a new level of sophistication to our workspace. What's more, their unique service of converting URLs into Excel files has drastically improved our data management systems. It's such a simple yet impactful tool that has saved us hours of manual work. The team at Kosoom.uk is always helpful and proactive, making them a go-to for any future needs.
Oliver Scott
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Kosoom.uk has played a pivotal role in optimizing our operational processes. Their LED technology is top-tier, offering both high performance and energy savings. The real game-changer, though, has been their ingenious method of creating Excel files from URLs. This service has not only streamlined our data management but also provided us with clear, actionable insights. The efficiency and accuracy it brings to our work are unparalleled. Kudos to the team for their innovative solutions and outstanding support!
Hannah White
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I was searching for eco-friendly and efficient lighting solutions when I found Kosoom.uk. Their LED technology offerings are impressive, blending aesthetics with functionality seamlessly. However, what truly sets them apart is their unique service of transforming URLs into Excel files. This has been a massive time-saver for us, allowing for better organization and analysis of large data sets. The team's dedication to providing practical, innovative solutions is evident in every interaction. I highly recommend Kosoom.uk for anyone seeking reliable and advanced technology services.