The Hydro Axis Oscillating Clip Fan 225mm (diameter) is perfect for any growing environment. It has 360 degree swivel and rotation, allowing air flow from any angle. It has variable speed and a strong, sturdy, non-slip clip. This allows it to be attached to tent poles etc. It also has a screw hole for wall mounting. Voltage is 220-240V with 21W power and 50hz frequency.