Description:The power of the electrical machinery: 250W-300W; The capacity of the battery: 12*3V/12Ah; Charge the number of times : About 300 times; Charge time: 5-7 hours; Input the voltage: AC110V-220V; Rotate the system: Roller chain ; The greatest speed per hour: 20 kilos per hour; The top continues Cheng greatly: 25-30 kilometers; Tire material: Can inflate the rubber tyre ; Steel rim: A steel wire wheel of aluminium; Case and count : 260pcs/40"HQ