3w 5w 7w 9w 12W LED spotlight High illumination 50,000hours Unique heat dissipation GS,CE,EMC,UL,FCC MR16,GU10,E26/27 option 3w 5w 7w 9w 12W LED spotlight super saving - energy saving 65%-70% energy than electric incandescent lamp saving 90% energy than fluorescent lampUnique structure patented design ensure luminousness is over than 80%Led driver guarantee 5 years,efficiency>90% ,power factor≥0. ...