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.