The Pulse Oximeter M70 measures a person's heart rate and oxygen saturation. This is measured by placing the device on the fingertip. When not in use, the device switches off automatically. The display can be read from several directions. Including the batteries, the device weighs only 55 grams. The device is reliable and accurate (SPO2 sensor 2%). The display shows: SPO2 Pulse Rate, heart rate intensity, battery capacity, Pleth Waveform.
Range from 25 to ±250 bpm. Works on 2 AAA batteries.