1) 2pcs electro-motor, 1pc control box, 1pc handset 2) Solid wooden outside,powder spray painting steel 3) Optional choose:aluminum alloy bedside rails Dimensions: 1) Size:2140×1020×400mm 2) Angle of back section: 0 ~ 80° (±5°) 3) Angle of leg section: 0 ~ 40°(±5°) 4)Adjustable height:360-650mm Accessories: 1) I.V.pole 2)Aluminum alloy protective railing