MANETTE HAND BIKE ELECTRIC Scooter HULAJNOGA Real-time display: real-time digital voltage display, intuitive and convenient, can accurately assess the remaining power and mileage. Regardless of lithium batteries, water batteries, dry batteries. Function: The display accurately assesses the battery charge level according to the voltage and indicates the state of the vehicle. Intuitively and accurately assess the remaining city and mileage and indicate the vehicle malfunction based on voltage. Automatic identification: regardless of different models of electric vehicles (from 12V to 99 V universal), they can be identified automatically. The power switch controls the vehicle's power supply. Connection wire: green wire is the signal wire of the knob, red wire is the positive 5 V knob, black wire is the negative wire, blue wire is connected to the output wire of the controller switch, and yellow wire is connected to the positive input terminal of the power supply of the controller switch. Warm Tip: Be sure to check the controller function line wiring, not just the controller color and wiring when wrong connection will damage the controller or handle. Article type: gas sleeve for electric scooters Material: plastic Specifications: General accessories for electric vehicles 1 x throttle holder 1 x sleeve holder 2 keys Note: When installing by non-professionals, pay attention to the order of the wiring and do not connect the wrong wiring, otherwise it will easily burn the Hall and LED bulbs.