Model:SEM-FL-10W Power:10W working voltage :AC110V/50HZ,AC220V/50HZ light source:LED LED Qty :30pcs SMD high power white LED colour temperature:2800K----6500K Colour showing Index(RA):80 Length:60CM Weight:450 G Material :glass（Diameter :25MM） Light flux :equivalent to conventional fluorescent lamp 20W environmental temperature：-30℃-60℃ life span: 50000 hours Features :No flicker ,eye protection ,reduce eye fatigue