Stark Adjustable LED Downlight Series NumberILDLSTDTVoltage100-277VACLED Watt12W, 20W, 30W, and 35WLumen Output100 LM/W ±10%CRI>90Dimming0-10V Dimming, Dali Dimming, and Triac Dimming Stark LED Downlight is a cost effective and energy efficient LED light with Darklight technology and low UGR. The adjustable head is able to meet various environment needs.