Alternating Pressure Mattress System by Vive Designed to be used in the prevention, treatment and management of pressure ulcers, spots and bedsores, the alternating pressure mattress system includes a 16-cell mattress and variable pressure pump. Perfect for bedridden patients suffering from bedsores, pressure spots, and ulcers. Alleviates Bedsores, Pressure Spots and Ulcers: Aiding in the prevention, treatment and management of pressure ulcers, spots and bedsores, the pressure mattress is made up of 16 air chambers that alternate periodically to redistribute weight, alleviating pressure points on patients or loved ones who have limited mobility or are bedfast. Variable Pressure and Static Settings: Customize the frequency of the alternating inflation and deflation and adjust the amount of air pressure for personal comfort. The three air cells at the head of the bed remain static to create a pillow. The mattress also has a static setting for general use. Ultra-quiet Pump: The variable pressure pump is ultra-quiet to ensure peace and rest. The pressure pump has two non-marking hooks allowing the pump to be easily attached to the bed. Waterproof Vinyl Cover: Protecting the alternating pressure mattress, a waterproof vinyl cover easily slips over the air cells. The breathable cover allows heat to dissipate for patient comfort and is durable, supportigup to 400 pounds. WARRANTY: 1 year on pump. 90 days on mattress pad. We stand behind our products with excellent customer service. What’s Included: Ultra Quiet Pump Alternating Pressure Mattress Pad Replacement Air Pockets User Manual