1. The controller housing is made of aluminum alloy, which can protect the internal circuit and dissipate heat well to avoid thermal overload. 2. This component is a brushed motor controller, it can provide consistent speed and sensitive control of braking and changing direction. 3. The wires and interfaces are durable and ensure low failure for long time use. 4. The interfaces have labels with instructions that make it easy to install. 5. Suitable for electric bikes and scooters. . 36V 500W BRUSHED BIKE MOTOR CONTROLLER Material: Aluminum Alloy Rated Voltage: DC 36V Fit engine: 500W motor Undervoltage protection: 31.50.5V Suitable for: electric bikes and scooters Size: Approx. 83*65*37mm/3.26*2.55*1.45inch Weight: Approx. 184 grams . 36V 500W BRUSHED BIKE MOTOR CONTROLLER List of packages: 1 * Brushed Controller Recorded: 1. Read the labels on the controller interfaces, make sure each interface is properly connected to what it fits. 2. For a thick black red power cord, red indicates the positive electrode of the battery, and black indicates the negative electrode of the battery. For thick yellow blue motor wire, blue for positive electrode, yellow for negative electrode. Make sure the power cord is placed correctly to prevent damage. . 36V 500W BRUSHED BIKE MOTOR CONTROLLER