The Energy-Efficient LED 4" Downlight Module is a subsystem comprised of an LED light engine, optics, and an innovative heat sink, along with an optional power supply. Intematix's high efficacy and color uniformity chip-array-on-ceramic LEDs enables 50-75% energy savings and offers more than 50,000 hours of maintenance-free operation. The 4" downlight module is designed for lighting OEMs to customize into their own 4", 5" or 6" recessed downlight products. With a suitable power supply, the 4" downlight is easily dimmable.