BIOS Simplicity Blood Pressure MonitorBIOS Blood Pressure Monitor Simplicity offers the same validated, clinical accuracy as other BIOS models, but in our most basic and easy to use operating platform. It features 30 reading memory, averages all readings, one touch operation, irregular heartbeat detection and BP assessment indicator. It comes with a wide range BP cuff, storage bag and instruction manual. It requires 4 x AAA batteries (not included).