... 28W Super-thin Panel Light instead of T5 office lighting fixtures Specification power supply100-240VAC 50/60HZPF0.9Power ... 60x60 cm led panel lighting• SMD3014×252pcs,27W,2550Lm, External Driver• Sound sensor, Emergency, Microwave control, and adjustable color ... flickering, no humming• Excellent Function unihero Patent intelligent control module is combined into the lamps• Easy to installPictures