Features1High Compatibility: Available for all electric vehicles, universal for a voltage range from 12V to 99V with automatic identification function. 2Suitable Range: Suitable for the handle bar with a diameter of 2.3cm/0.9in, please check the size before placing your order. 3Wide Application: Has a wide application, no matter about the battery type is sealed or lithium battery, water battery or dry battery. 46 Cores: Adopts 6 core wires, yellow wire connects to the positive pole of the power supply, the blue wire and the white wire are the functional wire. 5Friendly Tips: Please wiring while checking controller function line, can not simply connect controller wires by colors, the wrong connection will cause damage to the controller or handle.SpecificationItem Type: Twist Throttle GripMaterial: PlasticApplication: For Electric Bike, Electric ScooterDisplay: WithoutSpeed Gear: 3 Speed Gear, Low Middle High SpeedProduct Size: Suitable Handlebar Diameter: Approx.2.3cm/0.9in.Weight: Approx.334g/11.8ozEfficiency: 98%Hall Scale: Linear HallPackage List1 x Handlebar Grip1 x Twist Grip