Features1Voltage Adaptation: Lithium battery, water battery, dry battery are all available. 12V, 24V, 36V, 48V, 60V, 72V can be automatically identified. 2High Compatibility: Available for all electric vehicles, universal for a voltage range from 12V to 99V, handlebar diameter is 2.3cm/0.9in. 3Installation Method: Three throttle grip wires, red: grip positive, black: grip negative, green: grip signal wire, separate yellow is the power supply positive wire. 4Friendly 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. 55 Core Wire: Blue wire is connected to the outlet of the controller electric door lock, and yellow wire is connected to the positive pole of the power supply of the controller electric door (power switch, which controls the power supply of the whole vehicle).SpecificationItem Type: No Display Throttle GripColor: As Pictures ShownMaterial: PlasticEfficiency: 98%Model: S SeriesHall Level: Linear HallWeight: Approx.320g/11.3ozWorking Voltage: DC 0.8V-4.2VVoltage Adaptation: Regardless of Lithium Battery, Regardless of Voltage, It Can Be Automatically Identified (12V, 24V, 36V, 48V, 60V, 72V Electric Vehicles Can Be Used Directly, and Some 84V Electric Vehicles Can Also Be Used)Basic Parameters: (according to Different Battery Materials, New and Old, Different Batches, the Number of Voltages Will Be Different, Please Test Several Times, You Can Get Your Own Electric Vehicle Battery Parameters)12V Electric Vehicles, the Highest Voltage is About 12.6V or a Little Higher, and the Lowest is About 9V or a Little Higher24V Electric Vehicles, the Highest Voltage is About 29.4V, the Lowest is About 21V or a Little Higher36V Electric Vehicle, the Highest Voltage is About 42V, the Lowest is About 29V or a Little Higher48V Electric Vehicles, the Highest Voltage is About 54.6V or 58.8V, the Lowest is About 39V or Slightly Higher60V Electric Vehicles, the Highest Voltage is About 72V, the Lowest is About 49V or a Little Higher72V Electric Vehicles, the Highest Voltage is About 84V or a Little Higher, the Lowest is About 60VVoltmeters Are Already Installed in Higher Voltage Electric Vehicles.Package List1 x Right HalfHandlebar1 x Left FullHandlebar1 x Speed RegulationHandlebar1 x SnapRing2 x Key