This is a very important and common medical device to check patient blood-oxygen saturation (SpO2) and pulse rate for hospital use and homecare.

KEY FEATURES

Measurement accuracy: 30 – 99bpm: ±2bpm 100 – 250bpm: ±2%.
Adjustable brightness; 6 display modes.
Real-time prompt for battery status.
2pcs AAA-size batteries; automatically power off.
Weak or unstable signal mark provides more accurate measurement.
SpO2 measurement range: 70% – 100%
Resolution: 1%
Dual color OLED displays SpO2, PR, PI, and Pulse bar.
Measurement accuracy: 70% – 100%, ±2% ≤69%:
Pulse Rate measurement range: 30 – 250bpm.
Resolution: 1bpm.