Features1COMPLETE KIT: The kit contains controller, EN05 gauge, throttle finger, assist sensor wiring, booster sensor, the rich content can meet your needs to convert your electric bikes. 2OUTER HOUSING: The controller housing is made of quality metal with grooves designed to protect the internal circuitry from thermal overload due to good heat dissipation. 3DURABLE: Lightweight and durable, fine workmanship, good toughness and waterproof performance, better protection for internal circuits, making it more durable. 4MULTI FUNCTION METER: EN05 meter can display the switch button, light switch, battery level display and other functions on your bike, and keep you on top of the situation. 5APPLICATION: Suitable for 250W 350W motor, used for DIY electric bicycle, scooter, folding bicycle, bicycle lithium battery modification greatly improves the fun of riding.SpecificationItem Type:BrushlessMotorControllerMaterial:ABS, rubber, aluminum alloy, metalApplication: Applicable for 250W/350W motor matching communication protocol for Jiannuo's product use (Complies with Modbus communication protocol)Controller Size: Approx 85x50x30mm/3.35x1.97x1.18inController Current: 15AController Speed Setting: 1.1-4.2VBraking: Low inputPackage List1 x Controller1 x Meter2 x Brake Handle1 x Booster1 x Booster Magnetic Sheet1 x Thumb Throttle1 x Accessory2 x Instruction Manual