UL-Certified DALI-2 NFC RGBW Low-Voltage IP67 Controller

Low-voltage Waterproof DALI Controler with UL/TUV（Constant Voltage）

✓The LD4 is a high-performance LED constant-voltage controller with IP67 waterproof rating. 
✓It receives standard DALI protocol signals and is compatible with all DALI systems on the market, specifically designed for precise control of LED lighting fixtures. 
✓Featuring 4 channels, it delivers a maximum output current of 20A and a maximum output  power of 960W, enabling stable operation of various LED constant-voltage fixtures.
✓Parameters such as DALI address, dimming curve, dimming range, dimming ramp time, color temperature range, power-on status, system failure status, and DALI templates can be quickly configured via the DALI master controller or NFC Lighting app. 
✓The DALI address can also be manually set via buttons and displayed on the digital tube. 
✓Basic operations like quick switching, dimming, and color adjustment are supported through the button-operated digital tube, balancing intuitive operation with deep customization.
✓The LD4 flexibly enables dimming, color temperature adjustment, and full-color RGB/RGBW control for diverse lighting needs, integrating 8 DT6/DT8 device types: RGBW, RGB+W, XY+W, RGB, XY, 2*CT (synchronous control), 2*CT (asynchronous control), and 4*W. 
✓Device types can be switched via the NFC Lighting app.
✓With IP67 waterproofing and stable performance, the LD4 is suitable for diverse indoor and outdoor environments, reliably operating even in humid conditions to deliver efficient, flexible control solutions for lighting systems.

Orders over $500 ship free within the USA (under 50 lbs). Orders under $500 carry a low cost shipping fee.

Most in-stock orders ship within 1–2 business days from Miami, FL. Delivery typically takes 3–5 business days depending on destination.

For freight or oversized orders, our team will contact you with a custom quote.

All KNXSupply products are covered by the manufacturer's warranty, ranging from 1 to 3 years depending on the brand. Warranty terms are fulfilled directly by the manufacturer.

If you experience any issue, contact us and we'll coordinate the claim process on your behalf.