الوصف

Detailed Descriptions of Product Functions:
1. Display Type: OLED display
2. SpO2: Measurement range: *0% ~ *9%
Accuracy: ±2% on the stage of *0% ~ *9%;
±3% on the stage of *0% ~ *9%;
Below *0% no requirement
Resolution: ±1%
3. PR: Measurement range: *0BPM ~ **0BPM
Accuracy: ±1BPM or ±1% (the larger one)
4. Power: two AAA 1.5V alkaline batteries
5. Power consumption: below *0mA
6. Automatic power-off: The product power off by itself when
no finger is in the product for ≥8 seconds.
7. Operation Environment:
Temperature: 5°C ~ *0°C
Humidity: *5% ~ *0%
Atmospheric pressure: *0kPa ~ **6kPa
Transport, storage environment:
Temperature: **0°C ~ *5°C
Humidity: ≤*5%
Atmospheric pressure: *0kPa ~ **6kPa, non-corrosive
gas and well-ventilated environment.