... high quality Application:Home ,hotel,museum,office,supermaket,train etc.Led accessory Content:lamp(heat sink),ring,lens, upper cover, ... holder,PCB,screw except driver and LED sourceChina led lightsApplication:Home ,hotel,museum,office,supermaket,train etc ... ring,lens, upper cover,holder,PCB,screw except driver and LED sourceHeat sink: Aluminum Treatment of heat sink:Die-castingHeat ...