Pulse Oximeter HealthTree Oxygen Monitor Fingertip, Bluetooth Pulse Ox with Free APP, O2 Pulse Oximeter Finger and Heart Rate Monitor, 2 X AAA Batteries, Lanyard Aquanimous they can stand any weather

they can stand any weather and keep stay intact through blizzards and windstorms that will never loosen or rust

And it’s trusted by the pros

No need to do anything else after installing

System Type: One-Piece System

Compatible with HS50 HSK40 HSK50 HSSK40 HSSK50 HSSK55 LH195SA LH195SP OHSK110 OHSK120 OHSK125 models

Pulse Oximeter HealthTree Oxygen Monitor Fingertip, Bluetooth Pulse Ox with Free APP, O2 Pulse Oximeter Finger and Heart Rate Monitor, 2 X AAA Batteries, Lanyard Aquanimous they can stand any weatherBrand: HealthTree Color: Gray Features: Reading accurately and reliablethis bluetooth pulse oximeter accurately measures your blood oxygen saturation levels(spo2 ), pulse rate, pulse strength and pulse waveform and display them conveniently on a large screen. please note that there is a protective film on the screen, you can tear off the protective film before use to better see the screen numerical value. Warnings for abnormal readingswhen you