Aluminum Alloy 36V 500W Brushed Motor Controller For Go Kart Bicycle E Bike This controller shell is made of aluminium alloy, which can protect the inner circuit and good for heat dissipation to avoid thermal overloading. The interfaces have instruction labels on them for your easy installation. Suitable for electric bicycles and go kart bicycle. Features: 1. QUALIFIED ALUMINIUM ALLOY: This controller shell is made of aluminium alloy, which can protect the inner circuit and good for heat dissipation to avoid thermal overloading. 2. BRUSHED CONTROLLER: This item is a brushed motor controller, it can provide steady speed and sensitive control of braking and direction changes. 3. DURABLE WIRE AND INTERFACES: The wires and interfaces are durable, and ensure low malfunction of long time use. 4. DETAILED INSTRUCTION FOR EASY INSTALLATION: The interfaces have instruction labels on them for your easy installation. 5. COMPATIBILITY: This motor speed controller is suitable for electric bicycles and go kart bicycle. Specification: Material: Aluminium alloy Rated Voltage: DC 36V Match Motor: 500W motor Under-Voltage Protection: 31.5¡A0.5V Suitable for: electric bicycles and scooter Size: Approx. 83 * 65 * 37 mm / 3.26 * 2.55 * 1.45 inch Weight: Approx. 184 g Package List: 1 * Brushed Controller Noted: 1. Please read the labels on the interfaces of the controller, make sure that every interface is rightly connected to what it matches. 2. To the thick black red power cord, the red is for battery positive electrode, and black for battery negative electrode. to the thick yellow blue motor cord, the blue for positive electrode, the yellow for negative electrode. Make sure that power cord is placed rightly to prevent damage. QUALIFIED ALUMINIUM ALLOY: This controller shell is made of aluminium alloy, which can protect the inner circuit and good for heat dissipation to avoid thermal overloading. BRUSHED CONTROLLER: This item is a brushed motor controller, it can provide steady speed and sensitive control of braking and direction changes. DURABLE WIRE AND INTERFACES: The wires and interfaces are durable, and ensure low malfunction of long time use. DETAILED INSTRUCTION FOR EASY INSTALLATION: The interfaces have instruction labels on them for your easy installation. COMPATIBILITY: This motor speed controller is suitable for electric bicycles and go kart bicycle.