Skillbuildersä Floor Sitter & Wedge X Large Beds Accessories Advanced Averaging feature automatically displays Style:Pair (Left & Right) Advanced Averaging feature automatically displays the average of up to the last 3 readings taken in several minutes ago Heavy duty vinyl with Permablok 3(R) bacterial protection * 1´ Firm density foam tops * Radiused seamless corners on upholstered components * Top sections have welded steel support frames * Pivoting joints house hardened steel shoulder bolts with locking nuts to ensure years of trouble free operation * Footswitch control * Power assisted caster system (unless noted otherwise) * 110 volts 60Hz motor (220 volts 50 Hz available on special order) * 400 lb Feeder seat and floor sitter wedge * Seat is secured to wedge with velcro * Adjust from upright to reclining position *