Feature 1Fitment: The brush motor speed controller rated voltage is DC24V, rated power is 250W and the operation sound is small. 2Material: The motor speed controller shell is made of aluminum alloy material, which can protect the internal circuit and avoid thermal overload. It has good heat dissipation. 3Function: Motor speed controller allows you to start more smoothly, ride more comfortably, and ensure your driving safety. 4Wide Application: Suitable for wind turbine scooters, mini dolphin scooters, electric motorcycle, electric bike and more machine equipment etc. 5Easy Installation: Just replace directly. The installation is convenient, it will not destroy any position of the original car, and will not affect any system of the original car.Item Type:BrushMotorSpeedControllerMaterial: Aluminum Alloy and Rubber .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Rated Voltage of Controller: DC24VRated power of the Controller: 250WUndervoltage Protection: 200.5VElectric Current:211VThrottle Grip: 1-4VApplication: Suitable for wind turbine scooters, mini dolphin scooters, mechanical equipment, mini electric scooters DIY engine kits, razor carts, electric bikes, go karts, E tricycles, DIY engine systems, bicycle parts, even lawn mowers and more machinery and equipment, etc.Package List1 x BrushMotorSpeedController1 x Throttle Grip