Specification: Controller: zw Motor: 150w*2 Battery: lead-acid·+24v12ahx1·¼ Incline capability: fn12fp Per charge range: up to 20km Forward speed: 1-8km/h(adjustable) Backward speed: 2-6km/h(adjustable) Turning radius(min): 360fp Recharge time: 6h/pc Weight capacity: 120kg/264lbs Rear wheel size: 61cm/24fª Front wheel size: 20 cm Width·ª72cm /28fª Seat width: 46/50cm 18fª/20fª Seat height: 51cm /20fª Height: 95cm /38fª Brake: electromagnetic. 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. 360fp freely revolving 8.Scientific design allows saving energy up to 40% when compared with common chair. Packing information: Gross weight: 50/52kg Net weight(with batteries): 39/41 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): 22x11x22.2 cm Quantity of 20'fcl: 60pcs Quantity of 40'fcl: 120pcs.