A clinically validated blood pressure monitor with built-in EKG technology for easy, at-home blood pressure and EKG monitoring. Download the free OMRON Connect app on your smartphone to use the EKG feature and store, track and share unlimited heart health data.Includes: Blood Pressure + EKG Monitor, Wide-Range D-Ring Cuff (fits arms 9" to 17" in circumference), 4 AA Batteries, Storage Case, Instruction Manual, Quick Start Guide.