Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. 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. * 1 year limited (pumps and mattress) and 6 months limited warranties * Portable, alternating AC/DC pump allows the patient to be totally mobile * Rechargeable battery backup keeps system working for more than 7 hours per charge * Car adapter included