Features 1、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. 2、This product is a brushless motor controller, it can provide steady speed and sensitive control of braking and direction changes. 3、The wires and interfaces are durable, and ensure low malfunction of long time use. 4、The cables have different colors for your easy installation. 5、Suitable for electric bicycle, scooter, etc. Specification 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. This product 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 cables have different colors for your easy installation. Suitable for electric bicycle, scooter, etc. Specification: Condition: 100% Brand New Material: Aluminum alloy Color: as pictures shown Brake: V brake/disc brake Controller: 36V/48V universal Suitable for 1000W 1500W motor Motor mounting opening: the front drive opening is 100mm, the rear drive opening is 135mm Package list: 1 x Brushless Controller Package List