KSTN KT-RDLED20PS-8A-9CSE-VDIM-EM5 8" LED EMERGENCY CIRCULAR WHITE COMMERCIAL DOWNLIGHT POWER SELECTABLE CCT SELECTABLE 14/17/20W 3000K/3500K/4000K 90CRI 0-10V DIMMING 5W EMERGENCY PACK 120-277V DIMMABLE SMARTSAFE EMERGENCY DRIVER 100 DEGREE BEAM ANGLE EFFICACY 76-84 LPW 1120-1680 LUMENS >0.90 POWER FACTOR