2.Engine: 90W/150w 2. battery: 12AH,12V 3. Period: 1.5 hours under normal use 4. Speed: usually 3.5km/h with a battery life, max speed is 4.2km/h or 5.2KM/h 6. Charging time: 4-6 hours 7. adjustable: buoyancy 8. Carton size: 42X42X65CM9. G.W./N.W: 13.5kg/9kg 10. Container: 20ft /230pcs, 40ft/500PCS, 40HQ/600PCS