Power: Power / Device Type: Power Supply
Power / Installed Qty: 2
Power / Provided (W): 1200 Watt
Max Power Consumption: 1131.6 Watt
Power / Voltage Required: 180-240V
Compatibility: This lens is only compatible with fixed focal length L-series lenses 135mm and over, as well as the EF 70-200/2.8L, EF 70-200/2.8L IS, EF 70-200/4L, and EF 100-400/4.5-5.6L.