Rated Voltage: 36V/48V Low Voltage : 31V/42V±0.5V Rated Power: 350W Limit Current: 17A Anti-coaster features Overcurrent for protection Automatic identification the 36V and 48V Automatic identification the Hall sensor Automatic identification the Phase angle of 60 degrees and 120 degrees Colour:silver Material:Aluminum alloy Package Contents: 1 x Brushless Controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.