This model has 4 parts which can be easily assembled without any tools in few seconds. The tiller can be adjusted according to the driver for comfort and ease. The tires are solid without air. It can judge defects from the sound when you turn on the key. Features: 1) Controller: Curtis 2) Motor: rear axle motor 3) Battery: sealed lead-acid maintenance-free battery 4) Dimensions: 1,070 x 580 x 880mm 5) Max. forward speed: 6-12km/h (optional) 6) Max. backward speed: 2.4-4.8km/h (optional) 7) Max. range: 18km 8) Max. load: 140kg 9) Ground clearance: 40mm 10) Turning radius: 120cm 11) Motor: 24V/300W or 24V/200W (optional) 12) Battery :12V/12Ah (two) 13) Climbing capacity: 12 degrees 14) Charger: 110-250V AC / 24V DC, 4A 15) Total weight without batteries: 43kg 16) Heaviest piece when disassembled: 19.5kg Outer packing: Carton dimensions: 1,440 x 620 x 470mm Conveyance: Qty/20\'\' FCL: 66pcs Qty/40\'\' FCL: 132pcs