Legacy 10 Alternating Overlay Available Single & King Single  Designed for Stage II (medium/high risk)  On / Off Switch; Adjustable Pressure / Firm Control  Normal and Low Pressure LED Warning Light  Alarm Reset and Static Control Button Low Air Loss Cell Mattress System  CPR Emergency Valve  12 cm Cell Height and 91.5cm Mattress Width  Nylon PU cover (two-way stretch fusion)  Replaceable air cells - comes with one Air tube replaceable Maximum load capacity of 145kg