... cross-country, EC24 personal transport Personal vehical, Electric chariot, two wheelsself balancing scooter, segway copy x2, personal transport,EC24 1 ... .with 3pcs gyroscopes which is import from USA.2.the batter use special top LifePo could rechargeable ... Max Speed:20km/h Personal vehical(transporter),electric chariot, two wheels self balancing scooter .copy x2, stand scooter PT ...