Features1Complete Kit: The bike lithium conversion controller kit includes 17A controller, S810 panel, thumb throttle, power sensor wiring, power sensor booster pad, front lamp, tail lamp, brake handle, etc., which are suitable for DIY modification and meet all needs. 2Good Heat Dissipation: The controller housing is made of metal with notch design, which can preserve the internal circuit due to the good heat dissipation function, thus avoiding thermal overload. 3Good Toughness: The panel uses ABS material, which is light and durable, good toughness and waterproof performance, providing better protection for the internal circuit, making it more durable. 4Stay Informed: The S810 panel can display many useful data on your bike, such as switch buttons, light switches, battery level display and other functions, a small display can keep you informed condition. 5Suitable: 17A controller kit is suitable for 250W350W gear motors, mainly used for electric bikes, electric scooters, folding bikes, etc., easy to maintain, bike lithium battery modification greatly improves riding fun, for cyclists who like a challenge.SpecificationItem Type: BikeLithiumConversionKitMaterial: ABS, Rubber, Aluminum Alloy, MetalGross Weight: 1155g / 40.7ozApplicable: 250W-350W gearmotorController Size: Approx.90 x 50 x 30mm / 3.5 x 2.0 x 1.2inController Current: 17AController Voltage:DC36V 48VController Speed Setting: 1.1-4.2VBraking: input low levelPackage List1 x S810 Panel1 x Controller1 xBoostSensor Wiring1 xBoostSensorBoostPad1 x ThumbThrottle1 x Wire1 x Front Lamp1 x Tail Light2 x Brake Handle1 x Main Control Switch1 x Instruction