Display Mode: LED display.
SpO2 Measuring Range: 0%~100%(the resolution is 1%).
Accuracy:
70%~100%: ± 2%, Below 70% unspecified.
PR
Measuring Range: 30bpm~250bpm (the resolution is 1bpm).
Accuracy: ± 2bpm or ± 2% (select larger).
Measurement Performance in
Weak Filling Condition: SpO2 and pulse rate can be shown correctly when the pulse-filling ratio is 0.4 %. SpO2 error is ± 4%, pulse rate error is ± 2 bpm or ± 2% (select larger).
Resistance to surrounding light: The deviation between the value measured in the condition of man-made light or indoor natural light and that of the darkroom is less than ± 1%.
Power Consumption: less than 25mA.
Voltage: DC 2.6V ~ 3.6V.
Power Supply: 1.5V (AAA size) alkaline batteries × 2.
Battery Working Hour: The minimum continually work time is 24 hours, the theoretical number is 56 hours.
Safety Type: Interior Battery, BF Type.