* Display Type: OLED display.

* SpO2: Measurement range: 70%～99%.Accuracy: ±2% on the stage of 80%～99%±3% on the stage of 70%～79%Below 70% no requirementResolution: ±1%.

* PR：Measurement range: 30BPM～240BPMAccuracy: ±1BPM or ±1%（the larger one).

* Power consumption: Below 30mA.

* Automatic power-off: The product power off by itself when no finger is in the product ≥8 seconds.

* Dimension: 60mm×30mm×30mm.

* Operation Environment：Operation Temperature: 5 oC～40 oC.

* Declaration: The EMC of this product complies with the IEC60601-1-2 standard.