Features1DIY: Bicycle lithium conversion controller kit contains controller and S866 panel, suitable for their own DIY modification, to meet all needs. 2Controller Material: The controller shell is made of metal with groove design, which can protect the internal circuitry due to good heat dissipation, thus avoiding thermal overload. 3Panel Material: The panel is made of ABS material, which is light, strong and durable, with fine workmanship, good toughness and waterproof performance, providing better protection for the internal circuitry and making it more durable. 4Multifunctional: S866 panel has multiple functions; the product will display many useful data on your bike while riding, such as on or off button, light switch, battery level display and other functions, one display allows you to keep track of the situation. 5Scope Of Use: 30A controller kit for 1000W motor; mainly used for DIY electric bicycle, electric scooter, folding bike, etc. Easy to maintain. Bicycle lithium conversion greatly improves the fun of riding, suitable for cyclists who like challenges.SpecificationItem Type: Bicycle lithium conversion controller kitMaterial: ABS, rubber, aluminum, metalController Rated Voltage: DC 36V 48VController Current: 30AController Speed Setting: 1.1-4.2VBooster: 1:5Applicable Motor Power: 1000WBrake: Input low levelWeight: Approx. 682g / 24.1ozPackage List1 x Controller1 x Display Panel2 x Instruction Manual