Features1Widely Use: Has a wide application, regardless of sealed or lithium battery, water battery or dry battery. 2High Compatibility: Available for all types of electric bikes/scooters, universal for a range from 12V to 99V which can be automatically identified. 3Multi 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). 4Line 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. 5Warm 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.SpecificationItem 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: Twist Grip DC0.8V-4.2VPower Adaptive: Regardless Of Sealed Or Lithium Battery, Regardless Of Voltage, Can Automatically Identify (12V, 24V,36V,48V,60V,72V Electric Vehicles Can Be Directly Used, Part Of 84V Electric Vehicles Can Also Be Used)Matters Needing AttentionPlease Pay Attention To The Wiring Sequence When Non-Professional Personnel Install, Do Not Connect The Wrong Line, Otherwise It Is Easy To Cause Hall And LED Tube BurnBasic Parameters :(According To Different Battery Materials, Different Old And New Status, Different Batches, The Voltage Values Will Be Different, Please Test A Few Times To Get Your Own Electric Vehicle Battery Parameters,)For 12V Electric Bike, Max Voltage Is About 12.6V, Mini Is About 9V Or Above,For 24V Electric Bike, Max Voltage Is About 29.4V, Mini Is About 21V Or Above,For 36V Electric Bike, Max Voltage Is About 42V, Mini Is About 29V Or Above,For 48V Electric Bike, Max Voltage Is About 54.6V/58.8V, Mini Is About 40V Or Above,For 60V Electric Bike, Max Voltage Is About 72V, Mini Is About 49V Or Above,For 72V Electric Bike, Max Voltage Is About 84V, Mini Is About 60V,For Other Electric Bike With Above Voltage There Should Be A Voltmeter Installed.Package List1 x Thumb Throttle Speed Control