Features1Universal Use: This set is suitable for 24V 250W 350W, 36V 250W 350W, 48V 250W 350W brushless motor with and without Hall. 2Sine Wave Controller: The controller is sine wave three mode, can be matched with hall and non hall brushless motors, with self learning function. 3Good Heat Dissipation: The controller shell is made of metal with slot design, good in heat dissipation, can protect internal circuit to avoid thermal overload. 4Waterproof Meter: The meter adopts ABS material, light, sturdy, has good toughness and waterproof performance, providing better protection for internal circuit. 5Main Applications: This set is mainly used for DIY electric bike, electric vehicle, electric scooter, folding vehicle, etc., easy for maintenance, greatly improves the fun of riding, suitable for cyclists who like challenges.SpecificationItem Type:Electric BikeMotorControllerKitMaterial: Aluminum alloy, ABS plasticPackage List1 x Meter1 x Controller1 x Thumb Throttle1 x Booster1 x Manual