Wattage: 5W,7W,9W,11W,13W,15W,18W,20W Color temp: 2700K - 6400K Base: E27/ E26/E14/B22 Life Hours: 5000, 6000, 8000 Voltage: 100-130V/60Hz or 220-240V/50Hz Tube diameter: 12mm,9mm