DL4039 Ultra-Slim Adjustable LED Downlight 5W-18W
Key Features:
Application:
It is designed for general lighting applications in office, supermarket, shop, school, hotel etc.
Honeycomb Optional

Product Overview
The LEDTEK DL4039 LED Down Light is an innovative lighting solution specifically designed for low ceiling spaces. Its slim profile ensures that it fits seamlessly into tight areas, offering exceptional space-saving capabilities without compromising on performance. Crafted from high-quality aluminum, the DL4039 boasts superior heat dissipation, which enhances its durability and lifespan. Available in wattages ranging from 5W to 20W, this downlight is versatile enough to meet a variety of lighting needs.
One of the standout features of the DL4039 is its selection of customizable reflector colors, allowing users to match the downlight to their design preferences. Additionally, it offers several beam angle options (8°, 15°, 24°, 38°, 55°) , providing flexibility for different lighting requirements, whether for accent lighting or general illumination.
The LEDTEK DL4039 also offers a 30° adjustable vertical angle, giving you even more control over the direction of light, ensuring optimal illumination in various spaces. Its deep anti-glare design guarantees comfort without harsh light, reducing eye strain. Powered by a Cree COB LED/Bridgelux COB LED and a flicker-free driver, this downlight delivers consistent and reliable performance.
With a 5-year warranty, the LEDTEK DL4039 promises long-term reliability and efficiency. Whether for residential or commercial use, its sleek design, robust build, and excellent energy-saving features make it a top choice for modern lighting solutions.
We can customize the wattage to meet your needs.
Looking for more LED downlight ? Explore our full collection here.
Model No | DL4039-5W | DL4039-7W | DL4039-10W | DL4039-12W | DL4039-16W | DL4039-18W | DL4039-20W |
|---|---|---|---|---|---|---|---|
| Wattage | 5W | 7W | 10W | 12W | 16W | 18W | 20W |
| Dimension(mm) | Φ63*H43 | Φ63*H43/Φ85*H49 | Φ85*H49 | Φ85*H49 | Φ105*H63 | Φ105*H63 | Φ105*H63 |
| Cutting Hole | Φ55 | Φ55/Φ75 | Φ75 | Φ75 | Φ95 | Φ95 | Φ95 |
| Input Voltage(V) | AC110-240V 50/60Hz | ||||||
| Light Source | Cree COB/BridgeLux COB | ||||||
| CCT | 2700K-6500K | ||||||
| Luminous Flux (lm) ±5% | 500 | 700 | 1000 | 1200 | 1600 | 1800 | 2000 |
| CRI | >80(90 optional) | ||||||
| Beam Angle | 8°/15°/24°/38°/55° | ||||||
| LED Driver | External LED Driver | ||||||
| Dimming Option | Optional:0/1-10V dimming or Dali dimming | ||||||
| Ingress Protection (IP Rating) | IP54 On Room Side / IP20 At Back Side | ||||||
| Product Finishing |
| ||||||
| Materials of Optics | PMMA | ||||||
| Operating Temp. (℃ ) | -20℃ ~45℃ | ||||||
| Installation | Recessed | ||||||
Available in two frame colors


Available in two type of install clips


Reflectors in a variety of available colors








Product Size




















