The Smart self-balancing 10 " two-wheel electric scooter more convenient safer and easier to learn Only 27Lbs, the weight is the lightest, smallest;15 degrees climbing, 1 degrees of corner Max speed: 10Mph; Charger voltage: 100-241v 100 percent new and high quality U L CERTIFIED Battery: 36V/4.4Ah Battery driving range:10 MLS.