Features: Material: The controller housing is made of aluminum alloy, which can protection the internal circuit and dissipate heat well to avoid thermal overload. Brushed: This product is a brushed motor controller, which can provide stable speed and sensitively control braking and reversing. The wires and interfaces are sturdy, ensuring low failure rate for long-term use. Easy Installation: There are instruction labels on the interface for easy installation. Application: Suitable for electric bike and scooters. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Aluminum Alloy Rated Voltage: DC 36V Matched Motor: 500W Motor Undervoltage Protection: 31.5±0.5V Applicable to: Electric bike and Scooters Size: Approx. 83 * 65 * 37 mm / 3.26 * 2.55 * 1.45 in Package List: 1x Electric Bike Controller Box