Expedition Aluminum Transport Chair w Loop Locks 19 Red Doctors Physicians Scales 3 Minutes Automatic Power Saving Otoscope Accessory 3 Minutes Automatic Power Saving Device Includes Pump * Iindividual bladders alternate every 10 minutes to provide a comfortable pressure relieving seating surface * Zippered non skid stretch knit cover is anti microbial and meets California Tech Bulletin #117 for fire retardancy * Dimensions: 18 x 16 x 3 1 4 * Weight: 4 Lbs Handy lever on chair back makes it easy and convenient to fold back down Folds flat for easy transport Users with limited upper body strength or limited dexterity will love the ease of operation and handling Powder coated aluminum frame is lightweight durable and is available in blue and red Seat is made from durable lightweight nylon upholstery and a seatbelt and hand brakes are included for additional safety considerations Companion activated wheel locks 12à rear Àflat freeà wheels provide a more stable ride over various terrains plus ease of going over thresholds and curbs Black composite wheels require virtually no maintenance and incorporate non marring surface Comes assembled The only one on the market