Features1Full Kit: There is 15A controller, EN06 panel, thumb throttle, power assist sensor wire and chip, and 1T2 connecting line included in the package, full kit will be enough to meet your needs to upgrade your bike. 2Controller Outer Housing: The controller housing is made of high quality metal with grooves which is designed to protect the internal circuitry from thermal overload due to good heat dissipation effect. 3Panel Material: The panel is made of high quality ABS material, light and durable, with fine workmanship, good toughness and waterproof performance, providing better protection for the internal circuit and making it more durable. 4Panel Function: EN06 panel has many functions; While riding the bike, the product will display a lot of useful data on your bike, such as switch buttons, light switches, battery level display and other functions, a small display can keep you abreast of the situation. 5Widely Use: For 250W, 350W motor. The main uses are DIY Electric bicycle, electric vehicle, electric scooter, folding car, etc. Easy to maintain, lithium battery modification of bicycle greatly improves the fun of riding, which is suitable for cyclists who like challenges.SpecificationItem Type: Electric Bike Motor Controller KitMaterial: ABS, Rubber, Aluminum Alloy, MetalController Size: Approx. 8 x 5 x 3cm / 3.1 x 2.0 x 1.2inWeight: Approx. 576g / 20.3ozRated voltage of controller: DC 36V 48VController Current: 15AController Speed Setting: 1.1-4.2VSupercharger: 1:5Applicable Motor Power: 250W, 350WBraking: Input Low LevelController line definition:1. Black red single line: Battery Power x 22. Black two needle thread: Light3. Black three needle thread: Power Assist Sensor4. Black nine needle thread: 1 To 25. Black nine hole wire: EnginePackage List1 x Controller1 x EN06 Instrument (Including Bracket And Connector)1 x 1T2 Wire1 x Thumb Throttle1 x Power Assist Sensor Wire1 x Power Assist Sensor Chip1 x Instruction