Wattage: 18W,20W,22W, 24W,26W,28W, 30W,32W,35W, 40W,45W Color temp: 2700K - 6400K Base: E27/ E26/E14/B22 Life Hours: 6000, 8000 Voltage: 100-130V/60Hz or 220-240V/50Hz Tube diameter: 12mm