FEATURES: 1. Ultraviolet Wavelength :253.7nm 2. Capacity of the light tube:36W(AC-G1200 36W*7 AC-G1500 36W*9) 3. Speed of air-flow of the electric fan and noises:50dB 4. Supply voltage: 220V or 110v 50/60HZ 5. UVC lamp average lifetime >8000hours