Features： 1、RAPID HEAT DISSIPATION: Bike controller case is made of premium aluminum alloy with grooves design, which has great heat dissipation to guard the internal circuits, thus avoiding thermal overload. 2、STABLE AND SENSITIVE CONTROL: The electric bike controller can provide stable speed and sensitive control of braking and direction change. Can be used to upgrade your device. 3、HIGH TEMPERATURE RESISTANT WIRE: This electric bike motor controller is made of premium high temperature resistant wire, which is flame retardant and guards you and your equipment. 4、MULTIPLE GUARD: Stable and reliable performance. With under voltage guard, over current guard, stall guard and other functions to ensure the use and safety of the electric scooter. 5、MULTIPLE APPLICATIONS: Brushless motor controller has a wide range of applications for electric scooters, electric bikes, electric tricycles. Easy to wire and install, convenient for daily maintenance. Specification： Item Type: Electric Bike Controller Material: Aluminum Alloy Voltage: 36V, 48V Power: 350W Package List： 1 x Electric Bike Controller