Features: 1. Fit for many types of battery such as lithium battery, lead-acid battery, water battery, dry battery etc. 2. Suitable for 12-99V electric bike, scooter, tricycle, and other electric vehicle. 3. It can identify voltage automatically and can indicate vehicle error according to voltage. 4. Digital data display, intuitive and accurate judgment of remaining capacity and mileage. 5. Lightweight and portable. Easy to install and remove. Specifications: Material: Plastic Color: Black Cable Length: 2m/ 6.56 Feet Packing List: 1 * Electric Bike Voltmeter