Dr Trust

Features hospital-grade precision sensors for easy and clinically accurate results. It provides Spo2, pulse rate, and pulse bar graph readings within seconds on large size TFT display
This fingertip pulse oximeter comes with a large size TFT display. The bright large size screen rotates in 4 directions to provide you a clear view of the all your measurements for easy read
Includes everything needed to use it right out of the package. 2 AAA batteries included in the package for your convenience. One set of batteries can give you up to 30 hours of continuous monitoring