... MR16-4W High Power LED Spotlight ,LED Lamp,Hight Power LED,LED Good quality,quick heat dissipation,factory price GU10-3W High Power 3W LED Spotlight ,LED Lamp,Hight Power LED,LEDSpecification ... U.S.A. SEMILEDS Model NO.:GU10-3W High power 3W LED spotlight Voltage: AC 6-17V / AC 85 ... ° Aluminum housing for superior heat dissipation Driver and LED PCB are separated for better heat radiation CE certificate ...