This is untested, I have no idea if this works! The UNTESTED OpSens OptoMonitor 3 Optical Unit Patient Monitor is a specialized device designed for cardiology purposes. Made by the brand OpSens, this model is intended for monitoring patients in a healthcare setting. The OptoMonitor 3 unit likely utilizes optical technology to provide accurate and reliable data for medical professionals to analyze and make informed decisions about patient care in the field of cardiology.