EarthTronics LED Color Changing Panels can be fine-tuned from a warm 3000K color experience to a cool, natural 5000K color. The panels can be easily addressed and linked together in several configurations with one control capable of operating up to 250 fixtures. Light level and light color adjust from a smartphone or optional handheld control. No need to run extra wiring for hardwired dimmer controls. For use in education, office, hospitality and anywhere control of light color might be important. Constructed using an extruded aluminum frame with a high-quality PMMA light distribution panel combined with an attractive acrylic lens that achieves a wide light distribution pattern. The use of PMMA assures that the LED light panel will not yellow over time. EarthTronics guarantees the lens against yellowing for the life of product. DLC® listed product.