SLWF20050 Discover 10W-50W 2700K-5000K 650lm-4800lm, Customizable LED Downlights SLWF – KOSOOM


IVA incl

Founded in Italy 1.png

Out of stock

card 1.jpg
cardpe 1.jpg

All our products are certified with

icon ce.png
icon rohs.png
icon 5anni.png

5 Years Warranty

Free shipping for orders over 120€ in Italy and free shipping for orders over 300€ in other parts of Europe


Become our customer and
get a discount of up to


Are you an electrician or lighting professional?

Discover the New Era of Lighting with KOSOOM LED Downlights

Step into the world of KOSOOM, a leading provider of comprehensive lighting solutions, where we strive for excellence and innovation. With a focus on our cutting-edge LED downlights, especially the SLWF series, we are committed to enhancing your lighting experience while pushing the boundaries of energy efficiency. Our products promise a unique blend of modern design, top-notch performance, and lasting durability, setting us apart in the crowded marketplace. We invite you to join us on this exciting journey as we illuminate your world, one LED downlight at a time.

Illuminate Your Space with LED Downlights

What are LED Downlights? They are energy-efficient lighting solutions that recess into the ceiling, emitting light downward in a narrow beam. This concentrated light is perfect for task lighting or accentuating specific areas or objects.

Now, meet our SLWF series of LED downlights, a game-changer in the world of lighting solutions. These lights are more than just illumination devices; they are the key to transforming the ambiance of any space, making it more inviting and functional. The SLWF LED Downlights are particularly effective in supermarkets, retail shops, and warehouse shelves, offering a lighting solution that is both versatile and economical. Their soft light reduces glare and avoids blue light, creating a comfortable environment for both employees and customers.

When it comes to color rendering, our downlights take the lead. With a CRI greater than 90, our SLWF series can beautifully recreate the colors of objects, enhancing the overall visual experience. Choose SLWF LED Downlights to create a brilliant, well-lit environment that is kind to your eyes and your energy bills.

SLWF 4351abf5 002f 4094 99a3 e190edbac58a 600x600

A Closer Look at SLWF: A Masterpiece in Lighting Design

Allow me to introduce you to the star of our product line – the SLWF LED Downlight. Designed with an intense focus on details, this lighting solution brings together aesthetic appeal and functionality to deliver superior illumination.

The body of the SLWF is crafted from high-quality aluminum, designed for durability and a modern aesthetic appeal. A special anti-oxidation treatment ensures resistance to corrosion, retaining its sleek look over time. Its luminescent surface, made from PMMA material, guarantees an integrated and uniform lighting effect that’s soft on the eyes.

The SLWF LED Downlight stands out with its array of photometric curves, making it suitable for various lighting applications such as shelf lighting, ambient lighting, and corridor lighting. Its wide range of color temperature options, from natural, soft 4000K to clear, bright 5000K, caters to different visual perceptions, complementing all kinds of interior decor styles.

The cherry on top? The SLWF LED Downlight is a proud member of the KOSOOM brand, promising reliability, excellence, and an impressive lighting experience.

Unveiling the Superiority of SLWF: The Perks of Choosing Quality

At KOSOOM, we believe in excellence, and that is precisely what the SLWF LED Downlight stands for. This product doesn’t just provide light; it introduces a new perspective on quality illumination.

The heart of our SLWF downlight is its high-brightness LED beads. They emit a soft, uniform light that reduces eye strain and enhances comfort. But don’t let this softness fool you; these LEDs are mighty in terms of durability and longevity, with low light decay and an impressive lifespan of 50,000 hours.

SLWF boasts top-notch optical lenses that ensure a soft and even distribution of light. This design detail is one of many that makes this product a brilliant choice for various spaces, from bustling retail stores to quiet home offices.

SLWF’s diversity doesn’t end here. This product series offers a wide range of models that can cater to every lighting scenario. Plus, its multiple color temperature options, from natural mid-tone to bright daylight, give you the power to create the perfect ambiance.

Last but not least, we understand that certification is crucial when it comes to choosing the right lighting product. That’s why SLWF comes with CE and RoHS certification, giving you peace of mind about its quality and safety standards.

Technical Parameters: Decoding the Quality of SLWF

With KOSOOM, we believe in transparency. We want you to know exactly what you’re getting when you choose our SLWF series LED Downlights. Here are the technical parameters of our different models, each with a unique product code:

Product Code SLWF07510 SLWF09515 SLWF11520 SLWF13530 SLWF17540 SLWF20050
Power (W) 10W 15W 20W 30W 40W 50W
Lumen (Lm) 650 1250 1600 2900 3600 4800
Size (mm) Ø85xH54 Ø105xH65 Ø131xH75 Ø150xH80 Ø190xH95 Ø215xH105
Cut-off (mm) Ø75 Ø95 Ø115 Ø135 Ø175 Ø200
Voltage 220-240V/100-277V
PF > 0.9
CRI 83/90/95/Thrive
Color Black / White / Customized
Beam Angle 20°/25°/38°
CCT 2700K/3000K/3500K/4000K/5000K

Please note that each product code can be customized according to your specific needs. The customizable aspects include Voltage, Power Factor (PF), Color Rendering Index (CRI), Color, Beam Angle, and Correlated Color Temperature (CCT). This customization ensures that you get the perfect lighting solution for your specific needs, whether you are lighting up a supermarket, a retail shop, or a warehouse shelf.

Installation Guidance and Important Tips: How to Make the Best of SLWF

At KOSOOM, we believe that a good product not only excels in performance but also in user-friendly design. So, we’ve ensured that the installation of our SLWF LED downlights is as easy as possible.

For installation, our SLWF LED downlights are designed to be mounted onto the ceiling. The cut-out sizes for the different models are as follows: 10W:Ø75 mm, 15W:Ø95 mm, 20W:Ø115 mm, 30W:Ø135 mm, 40W:Ø175 mm, 50W:Ø200 mm

Here are some general tips and precautions to keep in mind during the installation process:

  • Always make sure to turn off the power before beginning any installation work.
  • Please refer to the installation manual included in the product packaging for a detailed guide.
  • Always follow local and national electrical codes when installing the product.
  • If you’re unsure about any step of the process, we recommend hiring a professional electrician.

Our top priority is your safety and satisfaction. Please do not hesitate to contact our customer service if you have any questions or concerns.

 SKU4 989cab20 f21d 40e3 b82a abc25c3fdc4b 600x600

Why Choose KOSOOM’s LED Downlights: Your Lighting Solution Tailored to Perfection

Why choose us? At KOSOOM, we go beyond just offering LED downlights. We provide a comprehensive lighting solution that meets your needs perfectly. When you choose the SLWF LED downlights from KOSOOM, here’s what you get:

  1. Customization: We understand that each space is unique, so we offer customization for each product code. This means you get a product tailored to your specific needs.
  2. Competitive Pricing: We offer our high-quality LED downlights at competitive prices, ensuring that you get the best value for your money.
  3. Customer Service: Our dedicated customer service team is always ready to assist you, from pre-sales inquiries to after-sales support.
  4. Full Specifications: With a wide range of specifications and models, we’re confident that we have the perfect LED downlight for any space.
  5. Quick Delivery: We value your time. With our efficient logistics system, we ensure fast delivery of your orders.

And beyond that, the SLWF LED downlights are suitable for various locations, offering a comprehensive lighting solution for supermarkets, retail shops, and warehouse shelves.

So why wait? Choose KOSOOM’s SLWF LED Downlights and experience superior quality and performance.

Maintaining Your SLWF LED Downlights: Keep Your Lights Shining Bright

Our commitment to you doesn’t stop once you purchase our SLWF LED downlights. We are dedicated to ensuring your lights shine bright for years to come. Here’s a simple guide on how to maintain and care for your LED downlights:

  • Regular Cleaning: Keep the LED downlights clean and dust-free. Use a soft, dry cloth to gently wipe the surface. Avoid using abrasive materials or strong detergents that can damage the finish.
  • Safe Use: Although our lights are designed to last, they still need to be used properly. Avoid excessive moisture and high temperature environments. Don’t forget that our SLWF LED downlights are rated IP20, which means they are suitable for indoor use only.
  • Scheduled Inspection: Periodically check the condition of your lights. If you notice any issues like flickering or reduced brightness, it’s best to address these early.

Remember, our SLWF LED downlights come with a 5-year warranty. This is our promise of quality and our commitment to your satisfaction. If you have any concerns about your product, please feel free to contact our customer service. We’re here to help.

Value for Money: Unpacking the Cost-effectiveness of SLWF LED Downlights

At KOSOOM, we believe in offering quality without compromising affordability. Our SLWF LED downlights are a testament to this commitment. Here’s why they offer excellent value for money:

  1. Long Lifespan: Our LED downlights have a long lifespan of up to 50,000 hours. This means fewer replacements and, consequently, lower maintenance costs over time.
  2. Energy Efficiency: LED lights consume significantly less energy compared to traditional LED lighting solutions. This translates to considerable savings on your electricity bills.
  3. High Quality: Despite being competitively priced, we don’t compromise on the quality of our products. The SLWF LED downlights are made from superior materials, ensuring durability and longevity.
  4. Warranty: Our 5-year warranty speaks volumes about our confidence in the quality of our products. This provides additional value as it protects you against unforeseen faults.
  5. Customizability: Our product customization ensures you get a lighting solution that fits your specific needs, eliminating wastage and unnecessary costs.

Illuminating the Future with KOSOOM’s LED Downlights

As we come to the end of this journey through the world of LED downlights, we hope that you have gained valuable insights into the remarkable features and benefits of our SLWF series. At KOSOOM, we are dedicated to providing lighting solutions that exceed expectations and transform spaces.

With SLWF LED downlights, you can experience the perfect combination of aesthetics, performance, and energy efficiency. Our commitment to quality, versatility, and customization sets us apart as a trusted partner in illuminating your world.

Choose KOSOOM and discover the beauty of well-designed lighting. Let our SLWF LED downlights create the ideal ambiance for your supermarket, retail shop, or warehouse shelf, bringing out the true colors and enhancing every space.

Thank you for joining us on this enlightening journey. We invite you to explore our full range of lighting solutions, including our remarkable LED track lighting series, and let us be your trusted companion in lighting the path to a brighter future.


Q1: Are LED downlights suitable for residential use?
A1: Absolutely! LED downlights are a versatile lighting solution that can enhance the ambiance of any home. They provide efficient and customizable lighting options for various rooms, such as kitchens, living rooms, and bedrooms.

Q2: Can LED downlights be dimmed?
A2: Yes, many of our LED downlights are dimmable. This allows you to adjust the brightness according to your preference and create the desired atmosphere in your space.

Q3: Are LED downlights difficult to install?
A3: Not at all. LED downlights are designed for easy installation. However, if you are not comfortable with electrical work, it is recommended to hire a professional electrician to ensure proper installation and safety.

Q4: Do LED downlights require special maintenance?
A4: LED downlights require minimal maintenance. Regular cleaning to remove dust and ensuring proper ventilation around the lights is generally sufficient to keep them in optimal condition.

Q5: Can LED downlights help me save on energy costs?
A5: Absolutely! LED downlights are highly energy-efficient, consuming significantly less power compared to traditional lighting options. This translates into noticeable savings on your energy bills.


There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.



Kosoom is a renowned Italian brand specializing in commercial lighting. With 8 production facilities worldwide, we have established partnerships with clients from over 70 countries. Our headquarters is located at Via Talamoni, 6, 20861 Brugherio MB, Italy, and you can reach us at +39 3400054590. We take pride in offering a diverse range of high-quality commercial lighting products and solutions, including various LED fixtures, linear lights, pendant lights, track lights, downlights, spotlights, and more.Distinguished for our commitment to providing efficient and energy-saving lighting products and solutions, Kosoom employs advanced technology and top-notch products to deliver environmentally friendly lighting solutions. Additionally, we offer customization services to cater to the unique needs of our clients. We look forward to collaborating with you, providing professional and reliable lighting solutions for your specific requirements.

About Price

All our lighting products are priced inclusive of value-added tax, offering excellent value for money. Across various categories, we boast the lowest prices in Europe, truly making a striking impact! With a substantial inventory in our warehouse in Italy, we ensure swift delivery once you place an order on the Kosoom online store. Our prices are more favorable compared to Tecnomat. If you are a professional or a company, feel free to reach out to us to avail exclusive pricing.

Lead Time

All our orders are guaranteed to be dispatched within 24-48 hours. In the rare instance where unforeseen circumstances may cause a delay, rest assured that we will promptly inform you. For customized products, we seek mutual agreement on the delivery timeframe to ensure both parties are in sync with the tailored order's schedule.

About Returns

It's important to note that returns are not accepted for non-quality-related issues. However, in cases where there are quality concerns, we are open to exchanges or returns. All our products come with a warranty period of 3-5 years, ensuring a commitment to quality assurance.

About Invoice

Upon placing an order, we will generate an invoice that includes comprehensive details such as the order number, a detailed list of purchased products, quantities, prices, any applicable taxes or discounts, and the total amount paid. This invoice will be sent to the email address associated with your order. Should you have specific requests or require additional copies of the invoice, feel free to reach out to our customer support team, and they will be more than happy to assist you.

Product Warranty Time

With the exception of customized products, all our items come with a warranty of 3-5 years. We pledge to adhere to a "replace without repair" policy in the event of any quality issues, ensuring maximum protection of your rights. For information regarding the warranty period for customized products, please feel free to reach out to us for consultation.

About Logistics And Transportation

Our dispatch location is at Via Talamoni, 6, 20861 Brugherio MB, Italy. Shipments will be sent via BRT or other express services. For any special requests, feel free to get in touch with us, and typically, we process and dispatch orders within 24-48 hours.

How to view or purchase products of the same model with different parameters?

You have the option to explore and purchase products with varying specifications and accessories from the same series by referring to the table located beneath the product images on the current page.

What are the advantages of Kosoom lamps compared to other brands?

Comparing the prices of lighting fixtures with other brands, you'll discover that many categories of Kosoom products boast the lowest prices in Europe. All our products come with a 3-5 year warranty, ensuring a prolonged period of quality assurance, alleviating concerns about potential issues. Furthermore, the diverse product line from Kosoom caters to various lighting needs, including indoor and outdoor fixtures. Whether you're seeking ideal lighting solutions for home, commercial, or outdoor spaces, we offer a multitude of choices to meet the personalized requirements of different customers. Our commitment lies in creating bright and welcoming lighting environments while consistently striving for excellence in the diversity and quality of our products.

Can I become a partner of Kosoom?

Certainly! We welcome you to become a distributor for Kosoom. As our partner, you'll enjoy greater discounts and favorable pricing, along with support from our eight production facilities worldwide to enhance your business competitiveness.

Are there any other discounts for professionals?

Saluting the professionals and installers in the lighting industry! We recognize your dedicated expertise and contributions to the field of lighting. As a token of appreciation for your ongoing support and collaboration, we are pleased to offer you exclusive, tailored benefits. Register now to secure the advantages reserved just for you.

Can products be customized according to needs?

We are pleased to customize products to meet your specific requirements. However, customized production requires a certain amount of time and resources. Therefore, our minimum order quantity for custom products is 500 units, and the production lead time is at least 30 days or more.

Is it possible to purchase only a few lamps?

Certainly! You can choose to purchase a few light fixtures based on your actual needs. We welcome you to select according to your personal preferences and space requirements. Please note that if the order amount doesn't meet the free shipping conditions, there may be a shipping fee. It's advisable to consider buying multiple products at once. This not only helps increase the order amount for free shipping but also better satisfies your lighting needs. Additionally, purchasing a variety of light fixtures allows you to create a more diverse lighting effect in different spaces, enhancing overall aesthetics and functionality.



Kosoom offers its resellers the lowest possible price, available upon verification of identity.
Resellers can enjoy not only competitive prices, but also discounts of up to 25% if the order quantity meets certain conditions.
Please note: certain qualifications and order quantities are required to obtain this status.



Kosoom offers professionals a very convenient price, available after identity verification.
If the order quantity meets certain conditions, the professional can enjoy not only a satisfactory price, but also a discount of up to 20%.
Please note: certain qualifications and order quantities are required to obtain this status.



2% discount on purchases over 300€
5% discount on purchases over 600€
10% discount on purchases over 1000€
(The above is the amount including tax)

Welcome to Kosoom! We are here to offer you the most cost-effective spot lighting products in Europe, along with a range of thoughtful shopping benefits:

Free Shipping Policy:
In Italy, we provide free shipping for orders exceeding 120 euros.
For other European regions, you can enjoy free shipping on orders over 200 euros.

Multiple Discount Offers:
For orders surpassing 500 euros, you’ll receive an additional 2% discount.
Exceeding 1000 euros, the discount increases to 4%.
For orders exceeding 3000 euros, you’ll enjoy a generous 6% discount.

Exclusive Industry Discounts:
If you are an electrician, wholesaler, or corporate purchaser, we are willing to provide additional discounts based on your specific needs, with bulk discounts of up to 20%.

Swift Delivery Service:
We aim to dispatch your order within 24/48 hours after confirmation, ensuring you receive your desired products as soon as possible.

Long-Term Quality Assurance:
All our luminaires come with a 3-5 year quality guarantee, providing additional assurance for your purchases.

Contact Us:
Feel free to reach out for any questions or needs.
Phone: +39 3400054590
Email: [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 welcoming lighting environment!

As a professional and robust commercial lighting company, Kosoom has consistently prioritized quality as our primary goal. To ensure that our products maintain the best cost-effectiveness in the market, we have implemented a series of rigorous quality control measures, ensuring that each luminaire undergoes meticulous manufacturing and strict inspection.

Quality Inspection Process:
Every product undergoes a stringent quality inspection process before leaving the factory. This includes visual checks to ensure the absence of scratches on the housing or mirrors, secure screw fastening, and accurate labeling. Additionally, we conduct photoelectric parameter tests, covering color temperature, color rendering index, luminous flux, light distribution curve, power, power factor, etc., to ensure that the product’s lighting performance reaches optimal levels. We also perform aging tests, ground resistance checks, withstand voltage tests, etc., to verify the stability and durability of the product during long-term use.

Quality Assurance Commitment:
We provide a 3-5 year warranty for each product, offering a robust guarantee for product quality. In the event of any quality issues within the warranty period, our dedicated after-sales customer service team is ready to assist you. Importantly, we pledge to adhere to a “replace-only, no repair” policy in case of product quality issues, ensuring the maximum 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 that you feel secure and confident in purchasing and using our products.

Kosoom is committed to providing customers with outstanding value for money and excellent product quality. We will continue our unwavering efforts to ensure that you consistently enjoy a high-quality lighting experience.

Rated 4.6 out of 5

based on 20 authentic reviews

Junaid Nasir
Read More
Ho comprato una applique led a muro con Luce riflettente Sia superiore che inferior per il soggoiorno di casa.... Prodotto davvero fantastico...
Iqra Rauf
Read More
Ho acquistato delle lampada a parete per la camera da Letto prezzi Medio alto ma labqualita e eccelsa e li vale tutti.consegna rapidissima in un packaging perfetto consiglitissimo
Rana Safwan
Read More
Stavo cercando su internet dei lampadari moderni per I bagni e navigando ho visto I bellissim prodotti su mazzolabluce e la sua pubbilcita ha attirato molto la Mia attenzione dando UN,occhiata Al Sito ho subito Trovato quello che cercavo.
hafiz bilal
Read More
Posso reputare la mia personale esperienza con vito 10!ottimo rivenditore online preciso puntuale e con tanti bei prodotti di qualita .Grazie a laro sono riuscito a trovare questi faretti da incasso commercio fino ad ora ne …
Farooq Sheikh
Read More
C e Molta Scelta ,proprio per question ho trovato quello che cercavo .optimo prodotto,spedizione rapida, imballaggio perfetto. Inoltre la comunicazione constante rende l qcquisto facile e tranquillo.
Read More
The variety of lamps is very complete. I found the lamp I wanted. Kosoom is as professional as ever.
Ishmal Sheraz
Read More
Ho acquistato un luce da incasso malto bello facile da pasizionare.lmballaggio e spedizione perfetto.acquistero ancora!




  • Far far away, behind the word mountains, far las.
  • Vokalia and Consonantia, there live the blind tex.
  • Separated they live in Bookmarksgrove right attr.