Main performance

Display Mode: 0.96"Dual-color OLED display(blue and yellow)
Screen Resolution: 128*64
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 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 darkroom is less than ±1%.
Power Consumption: less than30mA
Voltage: DC 3.0V
Power Supply: 1.5V (AAA size) alkaline batteries × 2
Battery Working Hour:The minimum continually work time is 20 hours, theoretical number is 36 hours.
Safety Type: Interior Battery, BF Type