1.Related parameters: 1) overall dimension: l2100*w980*h460-720mm 2) back rest tilting: 80°+/-5°, knee board tilting:40°+/-5° 3) hi-lo adjustment between:460-720mm 2.Standard configuration: 1) 3 sets manual crank systems 2) 4pcs luxurious castors 3) 1 pair plastic head/foot-end boards 4) 1 pair pp siderails 5) 4 pcs urine hooks 8) 1pc s.S i.V pole