Light source :High power led Lamp base : E27,E26,B22,GU10,GU5.3 1x3W,3x1W,3x3W Watts: 3W/4W/5W Dimmable DescriptionsJDR MR16 type bulb to E27 ... Color : W/R/G/BSize: 50*60 mm(D*H) Lamp base: E27,E26,GU10,B22Beam angle: 15°/30°/45° / 60° Life span ... :50,000 h CREE-MX-63×1W3W/4w195lm CREE-XRE3x2W/3 ...