Product: Wellue Oximeter Fingertip Blood Oxygen Saturation Monitor with Alarm, Heart Rate Monitor with Pulse Rate, Batteries Included
Brand: Wellue
Color: Black
Specification Power supply: 2 x alkaline batteries (AAA)   SpO2 display range: 35%~100% SpO2 measuring accuracy: ≤ 2% for 70%~100% Pulse Rate display range: 30~240bpm Pulse Rate measuring accuracy: ±2bpm or ±2% (whichever is greater)   Over-limit indication SpO2: low limit value: 90% Pulse Rate: low limit value: 50bpm; high limit value: 120bpm;   ▶Please note:  Please read the instructions carefully before using the Pulse Oximeter. Store the oximeter in a dry environment. A humid environment will shorten its service life and even damage the oximeter. Please note that this device is notfor medical use. 
PROFESSIONAL ACCURATE: Accurately determine your SPO2, pulse rate, perfusion index and pulse strengrh in 8 seconds and display it conveniently on a large display. Suitable for sports and aviation purposes.
ABNORMAL VAULE WARNING FUNCTION: The screen flashes to warn of abnormal blood oxygen level and pulse rate. The SPO2 alarm threshold is 90%. The highest threhold for PR alarm is 35 bpm and lowest threshold is 100 bpm.
EASY TO READ: Two-color highlight OLED screen displays clear readings.
EASY TO USE: One-button operation for easy use. Automatic power off.Low battery indicator.
WHAT YOU GET: A smart fingertip oximeter. 2free AAA batteries. The professional after-sales team will sreve you.

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