1.Inovative design,foldable,compact and easy to operate. 2.safe:anti tip-off, anti turn-on-one-side when turning ,advanced transaxle, electromagnetic braking system,controlling system. 3.Reliable range has a tange of 25~30km after charging. 4.Comfortable height:big,360degree swivel seat, foldable armrest. 5.Efficiency:85% efficient the motor output, auto shift to sleeping mode to safe the energy when stay idle.