Features1 CONFIGURATION: Bicycle lithium conversion kit includes 17A 3 mode controller, S866 panel, FT 8C magnetic point and 109R throttle, suitable for your own DIY modification to meet all needs. 2MATERIAL: The controller case is made of metal with groove design, which protects the internal circuitry from thermal overload due to good heat dissipation. The panel is made of ABS material, lightweight, strong and durable, fine workmanship, good toughness and waterproof performance, providing better protection for the internal circuits and making it more durable. 3MULTIFUNCTIONAL DISPLAY: The panel has many functions. When you are riding your bike, the product will show you many useful data on your bike, such as on/off buttons, light switches, battery level display and other functions, one display can keep you in control of the situation at all times. 4WIDELY USED: Panel mounting caliber 22.2mm, suitable for electric bike, electric scooter, etc. 17A 3 mode controller kit for 250W350W motor, suitable for DIY electric bike, electric car, electric scooter, folding bike, etc., easy to maintain. Bicycle lithium modification greatly improves the riding fun, suitable for cyclists who like challenges. 53 MODES: Mode 1 sine wave, Mode 2 with Hall mode, Mode 3 without Hall mode. When the motor hall is normal, it is working in the sine wave, and when the hall is damaged, it switches to work in the square wave mode without hall.SpecificationItem Type: Bicycle Lithium Battery Modified SetMaterial: ABS, Rubber, Aluminum, MetalWeight: Approx. 495g / 17.5ozApplicable: For 250W-350W Motor Controller Size: Approx. 80x50x30mm / 3.1x2.0x1.2inMaximum Current: 171AController Voltage: DC 36V 48VController Speed Setting: 1.1-4.2VBrake: Input Low LevelPackage List1 x Controller1 x Panel1 x Boost Magnet1 x Boost Cable1 x Thumb Throttle2 x Instruction Manual