Features: Type:Handlebar Throttle Accelerator Color:Black Material:Plastic 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.