1) 3 gyroscopes from USA 2) lithium battery, 1500 times ... 2 wheel balancing scooter, self-balance car, X2, electric chariot, off-road model Specification:Load capacity: ≤120kg/264lbsWeight: 90kg/209Lbs Platform height ... : 245mm/9.65inTires: 20*6-10 or 21*7-10Ground clearance: 110 mm/4.33in.Max ... wheel balancing scooter, self-balance car, X2, electric chariot, off-road model