UFO bumper cars, dual-motor design, dual joystick, you can move forward, rewind, place a 360-degree rotation, free timing, lantern design, music, equipped with AMD battery, divided into single and double car design, twin luxury car with damping, opening up the comfortable and interesting. Single UFO bumper car, size: 75 * 75 * 60; configuration: a key, 12v12A a battery, 12V charger, load <50kg Double UFO bumper cars, 120 * 120 * 75; configuration: a key, 12v12A battery one, 12V charger, load <100kg. inflatable car battery instructions for use and maintenance