Energy Saver: 7w T3 9mm 2U 1.80% energy saving 2.OEM 3.CE RoHS ISO9001 Energy Class: A, Energy Saving 80% 7w T3 ... 50lm/w. Compared with conventional incandescent lamp, its lighting efficiency enhances 5 times, and saves 80% energy, which is economical ... Each carton 50 pieces.This product suits for professional application with indoor environment like in hotels, restaurants, offices, houses, meeting ...