Featuring 19 independent air cells with dual A/B-C modes, this mattress alternates support zones every 10 minutes to redistribute pressure and enhance comfort, ideal for extended bed rest. Switch between Dynamic Circulation, Steady Support, and Quick-Response modes. A precision-adjust pump customizes pressure for all body types (350+ lb capacity), while the head zone s constant-pressure cells cradle the neck naturally. Upgraded turbo pump operates quieter than a whisper (30dB) for undisturbed sleep. Real-time LED monitoring with auto-pressure adjustment ensures consistent comfort and safety alerts. One-touch CPR valve instantly deflates the mattress into a firm surface.