... )Excellent color renderingT3 halfspiral energy saving lampsPower(W):11W,13W,15W,20WDiameter:T3(9mm)Base:E27,B22,E14Input voltage: ... ideal green lighting products to replace common metal halide lamp and mercury lamp5)Application:Markets,house,hotels,offices,factories, ... energy savingthan incandescent lamps9)Reasonbale price:Though energy saving lamp is expensive on the first purchase,you save the money ...