1.product length: 1160mm 2.size after fold : 820x520x240mm 3.ctn size: 850x430x300mm 4.wheel size: 240 x75(dia. x width)mm /rear wheel, 115x45(dia. x width)mm/ front wheel 5.net weight: 12.80kgs( encluding one pc of battery of 6kgs) 6.moter power: 70w 7.charge time: 2-4 hours 8.battery: 12v ,17Ah 9.speed: 0-6km/h( adjustable with easy ) 10.driving style: gear transmission with clutch. 11.the self-lock system for easy carry after folding. 12. there are 2 heights by adjust the angle. 13.the cart can be forward and reverse as well 14.the rear wheels are easy to take down without any tool. 15. qty for container: 250sets/20ctnr,530sets/ 40ctnr, and 600 sets/40hi-cu ctnr.