Pulse Rate Monitor app uses the camera on your mobile phone to obtain images of blood circulation at your fingertips. Easy to use the Pulse Rate Monitor app to measure your pulse rate in your home or office. **** Cover only the camera lens, Not the light **** == MAIN FEATURES === 1. Heart Rate Measurement 2. Stress Level Test 3. Heart Rate Analysis 4. Pulse waveform graphs 5. A beep for the heartbeat monitor == Attention == 1. Please place your finger tip on the camera lens. Please DO NOT press hardly, that you may cut off the blood circulation of your fingertips and affect the measuring. 2.The APP needs about 5 seconds to learn your heart rate and update the value, and it takes more than 10 seconds to get the accurate heart rate value, The default is 30 seconds. *** NOT INTENDED FOR MEDICAL USE ***