Features: The display will accurate judge the battery level and indicate the vehicle condition according to the voltage. Universal voltage, fit for 12V to 99V electric bikes or scooters, identify voltage automatically and real time display. Works for all kind of battery includes lead acid battery, lithium battery, dry or wet cell. Digital voltage display, intuitive and accurate judgment of remaining capacity and mileage, and it can indicate vehicle failure according to the voltage.  It is a universal throttle for electric bike, scooter, tricycle and other electric vehicle. Specifications: Condition: 100% Brand New and High Quality Material: Plastic Color: Black Green: Positive Red: for Twist Throttle Signal Wire Black: Negative Suitable for 12V-99V Electric Bicycle Size: Approx. 9 x 5.5 x 4cm / 3.5 x 2.1 x 1.5inch Cable Length: Approx. 2m / 78.7inch Weight: Approx. 130g Package Included: 1 x Throttle 2 x Keys

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