Feature:1. Metal Controller: The controller shell made of high quality metal with design, which has a good heat dissipation function and can the internal circuit to avoid thermal overload.2. Control And Protection Function: The main control chip of the controller adopts a premium single chip microcomputer to control and the motor and battery of the electric bicycle, and improve the reliability and service life.3. Throttle Grips: The throttle handle has a power lock display function, which is convenient and practical, and is suitable for 22.2mm / 0.9in handlebars.4. Easy To Install: The electric motor controller kit is very easy to use, just connect the sockets of the brake lever and the throttle handle to the corresponding interface of the controller to realize the function.5. Wide Range of Application: The electric conversion kit includes a 36V 500W brush motor controller, 1 pair throttle grips and 1 pair brake levers, suitable for electric bicycles, scooters, etc.How to Use:The brake lever and the throttle handle socket can be connected to the corresponding interface of the controller to realize the function. If you need to connect other accessories, please follow the instructions.Specification:Item Type: Brush Motor Controller KitMaterial: Aluminium AlloyProduct Color: As Pictures ShownController Box Size: Approx. 9x6.5x3.3cm / 3.5x2.6x1.3inProduct Weight: Approx. 905g / 31.9ozVoltage: 36VPower: 500WCurrent Limit: 28ALow Voltage: 30V Package List:1 x Brush Controller1 x Pair of Twist Throttle Grips1 x Pair of Brake Levers1 x Manual