Specification: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 time use.The interfaces have instruction labels on them for your easy installation.Suitable for electric , scooter, etc.Specification: Material: Aluminium alloyRated Working Voltage: 36/48V Rated Power: 350W Current: 13ALow Voltage : 30/42V Suitable Motor Phrase Angle: 60 / 120 degreeSuitable for: electric , scooter, etc Size: Approx. 9 x 5.3 x 3cm / 3.5 x 2 x 1.18inchWeight: Approx. 204gPackage List: 1 x Brushless ControllerNote:The product does not have a cord for the display.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.