XD-58C Pulse Heart Rate Sensor

The Pulse Sensor Amped is a plug-and-play heart-rate sensor for Arduino. It can be used by students, artists, athletes, makers, and game and mobile developers who want to easily incorporate live heart-rate data into their projects. It essentially combines a simple optical heart rate sensor with amplification and noise cancellation circuitry making it fast and easy to get reliable pulse readings. Also, it sips power with just 4mA current draw in 5V so it's great for mobile applications. Pulse Sensor Module, Voltage: 3V / 5V, Amplification factor: 330, Package Contents,1 x Pulse heart rate sensor pulse sensor. This product will be an excellent pick for you.