Motor power: 350W / 500W Battery:24V/17AH / 36V/.17AH Brake:disc brake Speed:30 km/h Range:35 km Wheel size:11" G.W./N.W.: 42/40 KG Carton size: 115 X 37 X 62 cm Container:105 pcs/20" 221 pcs/40" 252 pcs/40HQ