Features: 1.Important Parameters: Rated voltage is DC48V, rated power is 1000W, the climbing power is stronger, the operation sound is small, eliminate tire noise. 2.High Quality: The controller is made of aluminium alloy material provides better protection for inner circuit and makes it more durable. The wires and interfaces are durable, and ensure low malfunction of long time use. 3.Function: By turning the real time voltage value can accurately determine the amount of the remaining electricity. To avoid travelling without electricity and accurate judgement if of the lithium battery is damaged. 4.Complete Accessories: In addition to the necessary speed controller, this product is also equipped with power display turn handles, handle cover, and 2 keys. 5.Application: Suitable for wind turbine scooters, small dolphin electric vehicles, mechanical equipment, electric motorcycle DIY engine kits, push scooter, electric bikes, go karts, electric bicycles and many more other machines. Specification: Item Type: Brush Motor Speed Controller Rated Voltage: DC48V Output Power: 1000W Features: The handle can display the remaining power of the electric bicycle PackageList: 1 x Brush Controller 1 x Power Display Turning Handle 2 x Key 1 x Turning Handle Cover