Features:- The controller shell is made of aluminium alloy with design, which can the inner circuit due to good heat dissipation feature to avoid thermal overloading.- This item is a brushless motor controller, it can provide steady speed and sensitive control of braking and direction changes.- The wires and interfaces are , and ensure low malfunction of long time use.- The interfaces have instruction labels on them for your easy installation.- Suitable for electric , scooter, etc.Specification:Material: Aluminium alloyRated Working Voltage: 36/48VRated Power: 250WCurrent: 13ALow Voltage : 31/42VSuitable Motor Phrase Angle: 60 / 120 degreeSuitable for: electric , scooter, etcSize: Approx. 9 x 5.3 x 3cm / 3.5 x 2 x 1.18inchWeight: Approx. 202gPackage List:1 * Brushless Controller