Features:The controller shell is made of aluminium alloy with groove design, which can protect the inner circuit due to good heat dissipation feature to avoid thermal overloading.Thisitem is a brushless motor controller, it can provide steady speed and sensitive control of braking and direction changes. The wires and interfaces are durable, and ensure low malfunction of long time use.The interfaces have instruction labels on them for your easy installation.Suitable for electric bicycles, scooter, etc.Specification:Material: Aluminium alloyRated Power: 350WCurrent: 13ASuitable Motor Phrase Angle: 60 / 120 degreeSuitable for: electric bicycle, scooter, etcSize: Approx. 9 x 5.3 x 3cm / 3.5 x 2 x 1.18inchWeight: Approx. 200gPackage List:1 x Brushless Controller.