Energy Saving Lamp:4U-11W 1)8000-10,000 hours lifetime 2)UL, ... ,ISO 3)1,500,000pcs/month 4U CFL Energy Saving Lamp: 4U-11W1)1,500,000 pcs/month2)Up to 10 ... -6500823150800017722254U-65W110/240E27/E402700-6500824800800017722684U-85W110/240E27/E402700-650082520080001772334Hangzhou Qianlong Electronic Co., Ltd 4U CFL Energy Saving Lamp: 4U-11W