This device is intended for non-invasive measuring an adult individuals' systolic,diastolic blood pressure and heart rate using the oscillometric method.The device is designed for home or clinical use.All values can be read out in one LCD DISPLAY. Accurate Measurement Professional Guarantee 1. 120 Memories recall 2. One-touch operation 3. Last 3 results average 4. Fully auto measurements 5. Irregular heartbeat detection 6. WHO pressure level indicatior Innovational Design Exhibit Quality 1. Low battery detection 2. Auto power off function 3. AC-DC option 4. Large LCD: 2.2*3.4in (L*W)