Careshine Rose Color FDA Approved OLED Finger Tip Pulse Oximeter Blood Oxygen SpO2 PR Monitor
<b>Specification:</b> <br><b>SpO2</b> <br>Measurement range: 70~99% <br>Resolution: ±1% <br>Accuracy: ±2% (70%~99%), unspecified (<70%) <br><b>Pulse rate </b> <br>Measurement range: 30~240 bpm <br>Resolution: ±1% <br>Accuracy: ±2bpm or ±2% (select larger) <br>Low Perfusion ≤0.4% <br><b>Power</b> <br>1.5V (AAA size) <br>alkaline battery x 2 <br>Supply voltage: 2.6~3.6V <br>Working current ≤30mA <br>Automatic power-off,Automatically power off when no signal in the oximeter for more than 8 seconds <br>Dimension & Weight :58 (L) × 31(W) × 29(H) mm 60g <br><b>Note:</b> <br>1.long fingertnails are not good for monitoring accurate result,neither is blue nail polish <br>2.pls keep movement to a minimum when you are using the item <br>3.pls read the manual before using,which will help you know the product a lot.