Finger Heartbeat Detecting Sensor

This sensor uses IR LED and optical transistor to detect pulsation in fingers.

Specifications:
– Brand: KEYES
– Model: KY-039
– Color: Black + white
– Material: FR4
– Features: Use IR LED and optical transistor to detect pulsation in fingers
– Working voltage: 5V

Packing Includes:
1 x Heartbeat detection sensor module