Features1Digital Voltage Display: Real time digital voltage display is intuitive and convenient, and can accurately judge the remaining power and mileage. 2Display Function: The display accurately judges the battery level based on the voltage and indicates the condition of the vehicle. Let you ride with peace of mind. 312V to 99V Universal: Regardless of various types of electric vehicles (12V to 99V universal), they can be automatically recognized and displayed in real time. 4Electric Vehicle Accessories: Handlebar throttle twist grip is regardless of lithium batteries, water batteries, dry batteries. General accessories for electric vehicles. 5Wire Connection: The green wire is Hall signal wire, red wire is positive 5V, black wire is negative wire, blue wire is connected to outgoing wire of electric switch, and yellow wire is connected to the positive terminal of incoming power supply of the controller switch (power switch , control the vehicle power).SpecificationItem Type: Handlebar Throttle Twist GripProduct Material: PlasticColor: As Pictures ShownWeight: Approx. 380g / 13.4ozSpecifications: General Accessories for Electric VehiclesFeatures: 1. By turning the real time voltage value of the handle, you can accurately determine how much power is left.2. The real time voltage value of the switch can accurately judge whether the lithium battery is damaged.Package List1 xThrottle Grip1 x Grip2 x Key