Features1Heat Dissipation: The controller housing is made of Aluminum Alloy with a groove design, which protects the internal circuit from thermal overload due to its good heat dissipation. 2Durable: The panel is made of ABS material, lightweight, sturdy and durable, with fine workmanship, good toughness and waterproof performance, providing better protection for the internal circuit and making it more durable. 3Main Uses: DIY electric bicycles, electric bikes, electric scooters, folding bikes, etc. Easy to maintain, bicycle lithium battery modification greatly improves the fun of riding, suitable for cyclists who like challenges. 4Stable And Reliable Performance: With undervoltage protection, overcurrent protection, stall protection and other protection functions, to ensure the use of electric bicycles and safety. 5LCD Display: Easy to use and install. LCD display can clearly show the state and data, enables you to see scree clearly in dim environment.SpecificationItem Type: Brushless Controller KitWeight: Approx. 525g / 18.5ozProduct Material: Aluminum Alloy, ABSMaximum Current Of Controller: 151AController Power: 250WApplication: 36V 48V 250W MotorPackage List1 x Motor Controller1 x Panel1 x Handle1 x Assisted Magnetic Point2 x Instruction Manual