LED Pulse Oximeter Finger Pulse Blood Oxygen SpO2 PR Monitor BKH-324889 0 inch high resolution LCD

0 inch high resolution LCD Screen

Dust Cleaning Design is convenient for users to clear dust easily

but it can't see anything in complete darkness)

IP67 Waterproof:

Memorandum

LED Pulse Oximeter Finger Pulse Blood Oxygen SpO2 PR Monitor BKH-324889 0 inch high resolution LCDProduct Features: Item Type: Finger Pulse Oximeter Target Position: Finger Oxygen Saturation Range (%SpO2): 35% to 100% Pulse Rate: 2 bpm Target Position: Finger SpO2 Measurement Range: 70~100% Resolution: + 1% SpO2 Accuracy: + 2% (70%~100%), unspecified (<70%) Pulse Rate Measurement Range: 30~240 bpm Pulse Rate Accuracy: Accuracy: 2bpm or 2% (select larger) Working Current30mA Supply Voltage: 2. 6 3. 6V Power Options: two 1. 5V AAA batteries (Battery