Calculates and scan blood pressure. Place your finger on the scanner and check your blood pressure values. Control your heartbeat or pulse is very important for your health and prevent heart problems. The digital monitor displays 3 numbers: Systolic blood pressure (SYS) - Diastolic blood pressure (DIA) - Pressure pulseFunctioning: 1. Turn the scanner from the button. 2. Place your finger on the fingerprint scanner, press and wait 10 seconds for analysis. The system itself will warn you with a few vibrations. 3. You can share the results with your contacts. Disclaimer: Finger Blood Pressure Prank is for entertainment purposes only.