... , no ultraviolet radiation, stable, long lifespan.2.Built in the constant current LED driver.3.Working Temperature: -10 ... and Pb, anti-static, dust prevention, recyclablePower on in 0.01 seconds without twinkle and noiseHigh Energy EfficiencyTop ... Widespread use in Family, School,Office, Showing Room, Meeting Room,Commercial Building, Tower, Hotel, Restaurant,Factory, Production Line, Warehouse,Subway ...