7mph         3miles     160W*2          6.5"
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       Max supported weight : 160 lbs /72.5 kgs           Max speed : Up to 7 mph / 11.2 km/h
       Max Distance :  Up to 3 miles /4.8 km                 Battery Voltage:  36V    
       Battery Capacity:  2.0 Ah (10 Cell)                      Battery type : Rechargeable lithium-ion battery
       Power Requipment : AC100-240V , 50-60Hz      Charging time : Up to 6 h     
       Motor Power : 160Wx2                                        Max Incline : 10°