1、12V to 99V: This Electric Bike Throttle Handlebar is applicable to various models of electric vehicles, 12V to 99V universal, all can be automatically identified. 2、Introduction: The green line is the throttle Hall signal line, the red line is the throttle positive 5v, the black line is the negative pole, the blue line connects to the controller electric door lock out line, the yellow line line connects to the controller electric door in line power positive pole, power switch, control the whole bike power. 3、Premium ABS: Our bike speed grip is made of premium ABS material so that it is strong, and lightweight that will not add too much weight to your bike. 4、Digital Voltage Display: Real time digital voltage display is intuitive and convenient, which can accurately judge the remaining power and driving mileage. The display accurately judges the battery level and indicates the vehicle condition according to the voltage. Digital voltage display, visually and accurately judge the remaining cities and mileage, and indicate vehicle faults according to the voltage. 5、Note: Please be sure to control the controller's function line wiring, not simply and controller color wiring, once the wrong connection will cause damage to the controller or throttle handle.