1. Display Type:Two colors OLED display

2. with beep sound

3. SpO2:Measurement range:70~99

Accuracy:±2% on the stage of 70~99,Unspecified(≤70) for SPO2

Resolution:±1%

4. PR:Measurement range 30BPM~240BPM

Accuracy:±1BPM or ±1%(the larger one)

5. Power: two AAA 1.5V alkaline batteries(not include)

6. Power consumption:below 30mA

7. Automatic power-off:the product shuts off by itself when no finger is in the product in 8 seconds

8. Dimension:62mm×32mm×33mm

9. Operation Environment:Operation Temperature:5~40

Storage Temperature:-10~40

Ambient Humidity:15%~80% on operation 10%~80% in storage

Air Pressure: 70kPa~106kPa

10. Measurement Performance in Low Perfusion Condition:required test equipment (BIO-TEK INDEX Pulse Oximeter tester) could measure the available pulse wave with the amplitude of 6% of the simulation pulse wave amplitude.

11. Interference Resistance Capacity against Ambient Light:Device works normally when BIO-TEK INDEX Pulse Oximeter tester exerts interfering signal test..