... effciency, Up to 80% energy saving 2)Excellent color rendering T3 full spiral energy saving lamps1)High luminous effciency, Up to ... renderingT3 halfspiral energy saving lampsPower(W):11W,13W,15W,20WDiameter:T3(9mm)Base:E27,B22,E14Input voltage:110-130V,60HZ,220 ...