Quiet, smooth operation Heavy-duty frame ensures strength and patient safety All steel construction Larger sleep surface than conventional bed Split-pan design with removable bed ends is easy to set up No tools necessary for set up Hand control (included) provides for multiple bed positioning for patients Low air loss/alternating pressure mattress available "T" rails available (Sold separately) (Figure A)Emergency manual crank included Total Weight Capacity 600 lbs, Maximum Patient Weight 500 lbs.