... , Up to 80% energy saving2)Excellent color renderingT3 halfspiral energy saving lampsPower(W):11W,13W,15W,20WDiameter:T3(9mm)Base:E27,B22,E14Input voltage ... instantly in low temperature and low voltage condition2)excellent 80% energy saving ,green light protect enviroment3) No noise,no glimmer,no disturb for ...