1. With 2nd lock. 2. Backrest with 5-position adjustment. 3. Standard 5-point harness. 4. Adjustable footrest. 5. Front wheel 7"*4pcs, swivel or fix, shocking-proof and detachable. 6. Rear wheel 7"*4pcs, shocking-proof, with independent brake or link brake N.W.:8KGS Q'TY:1PC/CTN MEAS:29.2*22.8*102.3CM LOADING QTY:920PCS/40FT