1) Tube diameters: 7, 9mm 2) Power: 4, 7, 9, 11, 13, 15, 18, 20, 25W 3) Voltage: 110-130V/220-240V 4) Life: 8000H 5) Temperature: 2700-8000K/Color 6) Lamp base: E14, E26, E27, B22 7) Plastic material: PC, PBT