Battery for car:7.2V recharger battery with 7.2V charger(included)Charging time:3-4 hoursfor Remote control: 2*1.5AA batteryFine-tuning,control the direction Sport Differentia:To prevent the wheels skidFull up speed:9.8km/hWorking in the open air and on the sidewalks and on the grass is also

Battery for car:7.2V recharger battery with 7.2V charger(included)Charging time:3-4 hoursfor Remote control: 2*1.5AA batteryFine-tuning,control the direction Sport Differentia:To prevent the wheels skidFull up speed:9.8km/hWorking in the open air and on the sidewalks and on the grass is also working in indoor and on flat and solid surfaces or carpet