CONTEC OLED CMS50NA Pulse Oximeter

CONTEC OLED CMS50NA Pulse Oximeter,SpO2 and PR Value Waveform Blood Oxygen Neck/Wrist Cord NOTE: this product is intended for sports and aviation use only and is not a medical device.We are the direct manufacturer, there is a clear screen protector which can be removed before use. 1) Can measure SpO2 and Pulse Rate accurately 2) SpO2 and Pulse Rate display, Pulse Rate waveform and bar graph display 3) Battery voltage low indication 4)Screen brightness adjustable 2 AAA batteries (not included) X1