Review on Pulse oximeter on a finger Fingertip Pulse Oximeter LK87 measurement of oxygen and pulse. by Micha ochowski ᠌

For this money, more than a normal device Different pros: Compact, reliable, you can hang and constantly monitor readings! The output of the readings can be turned over, very convenient. Has some cons Batteries from the kit immediately in the trash! I can assume that if the batteries run out a little, the device starts to welcome