Feature:1. Widely Use: Has a wide application, regardless of sealed or lithium battery, water battery or dry battery.2. High Compatibility: Available for all types of electric bikes/scooters, universal for a range from 12V to 99V which can be automatically identified.3. Multi Functions: Has 5 wire cores, blue one connects to the output line of the controller electric door lock, and the yellow wire is for the positive pole of the controller electric door input line (the power switch which controls the vehicle power supply).4. Line Function Description: Green line is made for the handle hall signal line, the red line connects to the positive 5V line of the handle, and the black line is for the negative pole.5. Warm Prompt: 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.How to Use:Installation method: 3 shifter wires, red to the positive pole, black to the negative pole, green to the signal wire, separate yellow is the positive pole of the power supply,Specification:Item Type: Thumb Throttle Speed ControlMaterial: PlasticModel :S Series (5V-99V Automatic Identification Of Electric Vehicle Voltage)Application: For Electric Bike, Electric ScooterProduct Size: Wire length: Approx.160cm/63.0inSuitable Handlebar Diameter: Approx.2.3cm/0.9in.Weight: Approx.120g/4.2ozEfficiency: ≥98%Hall Scale: Linear HallWorking Voltage: Grip DC0.8V-4.2VPower Adaptive: Regardless Of Sealed Or Lithium Battery,