Motor: 250w /350W Battery: 12V12AH X 2 /12V12AH X 3 Max Speed: 20km/h depend on condition Drive: Chain drive Weight capacity: 100kgs /150kgs Tire Size: 13" Brake: Front and rear disc brake G. W. /N. W.: 34/24kg Colors: Red, Blue, Yellow, Green, Black, Purple, Silver Product Size: 109x56x78cm Carton size: 110x36x70cm Container(20'/40'/40'HQ): 104PCS/217PCS/247pcs.