Medline's unbeatable Supra DPS mattress boasts state-of-the-art features. Features include; alternating pressure, low air loss, static float, auto firm, and seat inflation. Its digital pump offers a selection of four distinct alternating pressure cycle times to choose from! It also comes equipped with a low-friction, anti-shear stretch cover, and a low-pressure alarm with audio and visual warnings. This powerhouse can support up to 400lb. of weight! Also available with 4" raised air bolsters to help reduce the risk of patient falls and entrapment (MDT24DPSRE).