Pulse Oximeter / Blood Oxygen Monitor

Features: Checks your pulse and measures blood oxygen levels with one button operation Can check SpO2 and accurate PR value through the finger in a non-invasive way Provides advanced quantitative measurement of oxygen saturation Indicates when the battery is low Features an automatic shut off mode when no signal is being provided Measurement range: 0%~100% Accuracy: 70%~100%: ±2% PR measurement range: 30bpm~250bpm Accuracy: ±2bpm or ±2% 2 AAA batteries required (not included) Dimensions: 31mm x 34mm x 57mm Weight: 100g