Energy Saving Lighting:4u 9w-30w 1)Up to 8,000 hours lifetime 2) ... ,ERP,ISO 3)1,500,000pcs/month 3U CFL Lamp:4U 9w-30W1)1,500,000 pcs/month2)Up to 8 ... (Ra)Lumen (lm)Life(h)Φ(mm)D(mm)L(mm)4U-9W110/240E14/E27/B222700-6500824508000740934U-11W110/240E14/E27/B222700-65008255080007401034U ... /240E14/E27/B222700-650082160080001252180 9w-30w energy saving light ZM-4U