... hours lifetime 2)UL,CE,GS,ROHS,ENERGY STAR,ERP,ISO 3)1,500,000pcs/month 2U ... CFL Energy saving lighting bulb: 2U-15W1)1,500, ... Flicker free4)High luminous efficiency, up to 80% energy saving5)Excellent color rendering, nice light distributionDetailed electrical parameters ... 650082108080001244185Hangzhou Qianlong Electronic Co., Ltd 2U CFL Energy saving lighting bulb(2U-15W)