This is a MAX30100 based pulse oximetry and heart-rate monitor sensor breakout board. The MAX30100 sensor combines two , a photodetector, optimized optics, and low-noise analog signal processing to detect pulse oximetry and heart-rate signals.<br> The MAX30100 operates from 1.8V and 3.3V power sup-plies and can be powered down through software with negligible standby current, permitting the power supply to remain connected at all times.<br> It is widely used in wearable devices, fitness assistant devices and monitoring devices.<br> The breakout board combines 2.54mm through holes and half cut holes breakout design, so you can do both testing and later easily integrate on other boards.<br> <br> Colour:Black<br> Material:pc+Metal<br> <br> Package Contents:<br> 1 * sensor<br> <br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.