Bubble style pad effectively reduces pressure. Automatic 5-minute cycle alternately inflates and deflates. Heavy gauge, medical grade vinyl is easy to clean, flame retardant and anti-bacterial. Pump mounts to bed with built-in mounting bracket and features an illuminated on/off switch. Available with standard fixed pressure pump or deluxe variable pressure pump. 275 lb maximum weight capacity. 90-day limited warranty on pad. One year limited warranty on pump. 78" x 34" x 2½".<\/p>