Specification: Controller: PG Motor: 150W X2 Battery: Li- batteryú¿24V 9AHx2ú¬ Incline capability: í_12íp Per Charge Range: Up to 25km Forward speed: 1-8km/h(adjustable) Backward speed:2-6km/h(adjustable) Turning radius(min): 360íp Recharge time: 6h/pc Weight capacity: 120kg/264lbs Rear wheel size: 61CM/24í¦ Widthú¦72CM/28í¦ Seat Width: 46/50CM 18í¦/20í¦ Seat Height:51CM/20í¦ Height: 95CM/37í¦ Front wheel size: 20 CM. Material: 1.High intensity aluminum alloy frame (grey) 2. Seat Material: waterproof, tensile and Permeability nylon cloth . Performance: 1.Armrest could be up and down 2. Footrest and armrest is disassembled for easy-to-use 3. Can be operated both by power and manual 4. Multi-function of brainpower controlling and rear-wheel drive 5. Collapsible for easy transport and storage 6. Wheelchair frame in aluminum material in high quality 7. 360íp freely revolving 8.Scientific design allows saving energy up to 40% when compared with common chair. Packing information: Gross weight: 44/46kg Net weight(with batteries): 29/31 kg Overall dimensions(length x width x height): 112x76x101CM Carton dimension(length x width x height): 95*47*83 CM Seat dimension(length x width x height): 50x46x3 CM Battery dimension(length x width x height): 8.8x8.7x23 CM Quantity of 20'FCL: 60pcs Quantity of 40'FCL: 120pcs .