Features： 1、Applicable Model: Handlebar diameter is 2.3cm/0.9in, which is suitable for all types of electric vehicles (12V to 99V universal). 2、Voltage Adaptation: Lithium battery, water battery, dry battery are all available. 12V, 24V, 36V, 48V, 60V, 72V can be automatically identified. 3、Installation Method: Three throttle grip wires, red: grip positive, black: grip negative, green: grip signal wire, separate yellow is the power supply positive wire. 4、Points for Attention: Please pay attention to the wiring sequence when installing by non professionals, and do not connect the wrong wiring, otherwise it will easily cause the Hall and LED tubes to burn. 5、5 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). Specification： Item Type: No Display Throttle Grip Color: As Pictures Shown Material: Plastic Efficiency: ≥98% Model: S Series Hall Level: Linear Hall Weight: Approx.358g/12.6oz Working Voltage: DC 0.8V-4.2V Voltage 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 Higher 24V Electric Vehicles, the Highest Voltage is About 29.4V, the Lowest is About 21V or a Little Higher 36V Electric Vehicle, the Highest Voltage is About 42V, the Lowest is About 29V or a Little Higher 48V Electric Vehicles, the Highest Voltage is About 54.6V or 58.8V, the Lowest is About 39V or Slightly Higher 60V Electric Vehicles, the Highest Voltage is About 72V, the Lowest is About 49V or a Little Higher 72V Electric Vehicles, the Highest Voltage is About 84V or a Little Higher, the Lowest is About 60V Voltmeters Are Already Installed in Higher Voltage Electric Vehicles. Package List： 1 x Handlebar Grip   1 x Throttle Grip 2 x Key