... :low heat emitting ,thin heat sink,high CRI LED ceiling light 2013 foshan LED light Power:4W COBLed Qty.:1PC COBInput Voltage:AC100 ... : 60°Materials:Aluminum Size: 92*92*55mm Hole Size:D75mm New design ,With Alum-oxidized reflector ( Reflective cup )to reduce glare ... Feature:1,Advantage:Low heat emitting,long lifespan, high power led,elegant outer housing.pure aluminum base,good choice for replacing ...