It also can detect irregular heartbeat during your usual blood pressure monitoring. M2 Basic blood pressure monitor, Arm Cuff, 4x "AA" batteries, Instruction manual 1 and 2.
DIGITAL M2 BASIC AUTOMATIC BLOOD PRESSURE MONITOR UPPER ARM BP MACHINE
Omron M2 Basic Automatic Digital Upper Arm BP Monitor LCD, 22–32cm Cuff
OMRON M2 Basic Automatic Blood Pressure Monitor Upper Arm Digital - VGC Boxed
Omron M2 Basic - Automatic Portable Digital Blood Pressure Monitor
Omron M2 Basic Automatic Upper Arm Blood Pressure Monitor