It will automatically shut down within 15s. Beep Warning Just put your finger in the sensor, wait a few seconds to get the data. Includes 2AAA batteries, you can start using it when you receive the product.
New Wawech Finger Pulse Oximeter Blood Oxygen Level Pulse Rate SpO2 Sealed Box
NEW oximeter Finger pulse oximeter finger pulse
NEW Prol Finger Pulse Oximeter Blood Oxygen Saturation & Heart Rate Monitor UK
New Boxed Finger Pulse Oximeter AD991 waterproof non-hook
UBTC Daily Health Pulse Oximeter IPX2 22590 Blue Finger Pulse Control NEW Original Packaging
