Check the listing for details. IMDK C101A2 Fingertip Pulse Oximeter OLED Display Oxygen Pulse Measuring Device. Condition: New. Listed at 15.96 USD. 99.9% positive reviews Hotline +43 (0) 2522 20 100 30 iMDK C101A2 Fingertip Pulse Oximeter Oxygen Pulse Meter The IMDK C101A2 finger pulse oximeter uses the latest oxygen sensor technology to accurately determine blood oxygen levels (SpO2) in 8 seconds. The measuring range is 70% - 99% with an accuracy of ±2%. IMDK C101A2 finger pulse oximeter fits any finger and works with one button. An alarm sounds to indicate low or high oxygen levels and a fast or slow heart rate. Automatic shutdown after 8s. SpO2 measurement range: PR measurement range: 2 AAA 1.5 alkaline batteries Operating temperature: 8 seconds, automatic shutdown Sleep monitoring time: Fits any finger (thumb, toes, etc.) and offers 6,000 samples. Option to attach a wrist strap during activities and quickly attached to your fing.