* This product does not need to be installed, ready to use out of the box, fold in one second, expand in one second, load 120KG, reversing alarm, night light / turn signal, front disc brake and rear drum brake * Anti-sliding brake system button, can be safely driven, three-speed shift 8km15km, 20km per hour for all kinds of people *48v12aH/20A two models, lithium battery can be disassembled, large battery life, power is 350W * Front wheel double shock absorption design, anti-tilt small wheel prevents left and right side flip, handle can be adjusted up and down, front wheel 10 inch rear wheel 12 inch * 2, 125 wear-resistant tire, waterproof charging port *Double rear wheel disc brake system is flexible to start, stable operation, mini size after folding, easy to put into the back of the car, the weight is 30kg