Features： 1、No distinction is made between lead‑acid batteries, lithium batteries, water batteries, and dry batteries. 2、It does not distinguish between various types of electric scooter (12V to 99V universal), which can be automatically identified and displayed in real time. 3、Eliminate the simulate electric quantity display (a few small lights), real‑time digital voltage display, intuitive, convenient, can determine the remaining power and mileage. 4、Judging the breakdown of electric scooter by voltage figures, high efficiency. 5、Professional manufacturing, stable performance and high reliability. Specification： Item type: Electric Scooters Throttle Grip Material: plastic Color: black Weight: Approx. 191g  Model: S series (5V-99V automatically recognizes the voltage of electric scooter) Efficiency: ≥98% Hall grade: linear for Hall, high quality rubber, imported LED digital display light Voltage digital display throttle grip instruction manual 1. Features 5. The ordinary electric display grip grip has 4 wires, which is convenient for installation and saves time. 6. Digital grip throttle grip. 2. Matters needing attention For non-professionals, please pay attention to the line sequence, and do not connect the wrong line, otherwise it will easily cause the burn for Hall and LED Installation method: three throttle grip wires, red throttle grip positive pole, black throttle grip negative pole, green throttle grip signal line, yellow alone is the power cord positive pole. Package List： 1 x Electric Scooters Throttle Grip  2 x Key