1. Battery Indicator: The finger throttle supports the power display function. The green light indicates full power, the yellow light indicates half power, and the red light indicates low power. 2. Multiple Functions: The finger throttle is equipped with a self locking switch, which is suitable for low gear, high gear, reverse, headlight switch, automatic , and turn on and off. 3. Broad Compatibility: Our accelerator handle is compatible with most electric , electric scooters, electric cars and so on. 4. Material: The finger handle is made of and premium materials with high strength, durability and longer service life. 5. For 22.3mm Handbar: The finger throttle accelerator is applicable to handlebars with 22.3mm . It is easy to install and use. Item Type:Thumb Throttle Weight:. 144g/5.08oz Output Voltage:0.8-4.2V Number of Wires:6 Cable Length:160mm/6.23in Line Definition: Red: +5V battery White: Signal cable Black: Ground cable Green: Power display Brown and Yellow: Incoming and outgoing cables of the switch Type:36V Colour:Black & Silver Material:Plastic Package Contents: 1 * Thumb Throttle Accelerator Grip Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.