Features1Heat Dissipation Function: The controller enclosure has a groove design, made of aluminum alloy, with heat dissipation function, can protect the internal circuit, so as to avoid thermal overload 2Material: The display panel is made of ABS material, light, strong and durable, fine workmanship, with toughness and waterproof performance, to provide better protection for the internal circuit, so that it is more durable 3Main Uses: DIY electric bicycle, electric bike, electric scooter, etc. Easy to maintain, greatly enhances the enjoyment of riding and is suitable for cyclists who like a challenge 4Multiple Functions: When riding a bike, it will display the switch button, light switch, battery power display and other functions on your bike. A display screen can let you know the situation at all times 5Stable Performance: The controller performance is stable and reliable. With undervoltage protection, overcurrent protection, stall protection and other protection functions, to ensure the use of electric bicycles and safetySpecificationItem Type: Motor Brushless ControllerMaterial: Aluminum Alloy, ABSWeight: Approx. 780g / 27.5ozCurrent Limit: 28AController Power: 500WPackage List1 x Motor Brushless Controller1 x Display Panel1 x Specification