... up to 50,000hours, Save about 50%-60% of the general incandescent lamps.3, No glare,no frequency flicer , no ultraviolet radiation , more environmentally ... client's needs2,Applicable to ambient temperature between :-20°C-50°C(-4°F-122°F)3,Conventional storage condition :-30 ... °C-60°C(-22°F-144°F)Application:1. Commercial lighting;2 ...