... approved. Lifespan: 6000, 8000, 10000hours Circuit board: SMT 15W 2U energy saving lamp:Model: LJ-3UOptional actual power: 5W, ... 7W, 9W, 11W, 13W, 15W, 20WOptional Voltage: 110V-130V, 220V-240VLifespan: 6000, 8000 ... whole series of energy saving lamps, our product include 2U, 3U, 4U,6U, 8U, spiral, lotus, ... : 0086-760-86988229MOB:0086-13600330841 15W 2U energy saving lamp