Best Fingertip Pulse Oximeter MSLBA698

Service life:3 years
Blood oxygen saturation: measuring range: 70% ～ 99%

Measurement accuracy: ± 2% within 80% ～ 99%, ± 3% within 70% ～ 79%, ≤70%, accuracy is not defined.
Resolution: blood oxygen saturation ± 1%
Pulse rate: Measuring range: 30BPM ～ 250BPM

Measurement accuracy: ± 1BPM or ± 1% of the measured value (whichever is greater)
Battery: 2 AAA 1.5V alkaline batteries;
Power consumption: less than 30mA

Automatic shutdown: when no finger is inserted, it will automatically shut down after 8 seconds.
Storage temperature: -10 ℃ ～ 40 ℃

Ambient humidity: 15% ～ 80% working 10% ～ 80% storage
Atmospheric pressure: 70kPa ～ 106kPa
Overall dimensions: 58.5mm × 36.5mm × 29mm
Operating environment: Operating temperature: 5 ℃ ～ 40 ℃

Blood oxygen saturation was measured
Take the pulse
Measuring heart rate