Features1HEAT DISSIPATION: The controller shell is made of metal with groove design, which has good heat dissipation function, thus avoiding thermal overload. 2FINE WORKMANSHIP: The display is made of ABS material, which is fine in workmanship and waterproof, providing better protection for internal circuits. 3SENSITIVE CONTROL: Electric bike motor controller can provide stable speed and sensitive control of braking and direction change. 4SCOPE OF APPLICATION: 36V 48V 250W electric bike motor controller is suitable for DIY electric bicycles, electric cars, electric scooters, folding bikes, etc. 5ELECTRIC BIKE CONVERSION KIT: The modification of bicycle lithium battery greatly improves the riding pleasure and is suitable for cyclists who like challenges.SpecificationItem Type: Electric Bike Motor Controller KitMaterial: Aluminum Alloy, ABSController Maximum Current: 151AController Power: 250WApplication: For 36V 48V 250W Motor ControllerPackage List1 x Controller1 x Display1 x Thumb Throttle1 x Booster Magnetic Point2 x Instruction Manual