Features1Heat Dissipation Controller Shell: The controller shell is made of metal with groove design. Due to its good heat dissipation function, it can protect the internal circuit to avoid thermal overload. 2M3 Display: The display is made of ABS material, which is light, durable, has fine workmanship and good toughness and waterproof performance, providing better protection for the internal circuit. 3Multifunctional M3 Display: When riding a bike, the M3 display will display many useful data on your bike, such as switch buttons, light switches, battery power display and other functions. A display screen can let you keep track of the situation. 4Scope of Applications: 30A controller kit is applicable to 750W to 1000W motor. Suitable for DIY electric bicycle, electric bike, electric scooter, folding bike, etc. Greatly improves the fun of riding, and is suitable for cyclists who like challenges. 5Package List: Bike lithium battery connversion controller kit includes controller, display, thumb throttle, power assist sensor wiring, power assist sensor disc, front light, rear light. Suitable for DIY modification and meet all needs.SpecificationItem Type: Electric Bike Controller KitMaterial: ABS, Rubber, Aluminum Alloy, MetalColor: As Pictures ShownWeight: Approx. 1200g / 2.6lbMaximum Current: 301ARated Voltage of Controller: DC 24V 36V 48VSpeed Setting of Controller: 1.1-4.2VBraking: Input Low LevelController Size: Approx. 150x60x35mm / 5.9x2.4x1.4inApplication: Suitable for 750W-1000W MotorPackage List1 x M3 Display1 x Controller1 xPowerAssist Sensor Wire1 xPowerAssist Sensor Disc1 x Thumb Throttle1 x Front Light1 x Tail Light1 x Main Control Switch2 xPoweroff Sensing Wire2 xMagnet2 xMagnetTape Pad1 x Wire1 x Manual