1) High strength aluminum structure;                         
2) Detachable battery, can charge easily;              
3) Controller can be changed with different side freely, move forward and backward easily, adjust to your comfortable position;                                 
4) Battery: 12V, 12AH*2pcs;                                    
5) Motor: 150W*2pcs;                                                 
6) Max speed: 6Km/h;                                                
7) Endurance: about 20Km;                                     
8) Weight capacity: 120kg;                                      
9) Seat size: 43cm & 45cm.