Features: 1.Important Parameters: Rated voltage is DC24V, rated power is 350W, the climbing power is stronger, the operation sound is small, eliminate tire noise. 2.Premium Material: The motor speed controller's shell is made of aluminium alloy with groove design, which can protect the inner circuit and good for heat dissipation to avoid thermal overloading. 3.Function: The motor speed controller will help starting more smoothly, ensure more comfortable riding, better ensure your driving safety. 4.Complete Accessories: In addition to the necessary speed controller, this product is also equipped with universal turn handles, handle sleeves, electric door locks including 2 keys, 2 brake handles. 5.Application: Suitable for wind turbine scooters, small dolphin electric vehicles, mechanical equipment, electric motorcycle DIY engine kits, razor carts, electric bikes, go karts, electric bicycles and many more other machines. Specification: Item Type: Brush Motor Speed Controller_x000D_ Material: Aluminium Alloy_x000D_ Rated Voltage: DC24V_x000D_ Rated Power: 350W_x000D_ Application: _x000D_ Suitable for wind turbine scooters, small for dolphin electric vehicles, mechanical equipment, electric motorcycle DIY engine kits, for razor carts, electric bikes, go karts, electric bicycles, electric tricycles, DIY engine systems, bicycle parts, and even lawn mowers and many more other machines. PackageList: 1 x Controller 1 x Universal Turning Handle 1 x Turning Handle Cover 1 x Electric Door Lock (2 keys included) 2 x Brake Handle