3-in-1 Multifunctional Air Quality Detector Temperature Humidity Monitor Indoor/Outdoor O2 Tester

Features:
3.5-inch TFT HD Color Display: real-time display current time, date, oxygen, temperature and relative humidity. The screen has wide viewing angle that can reach 160, which is very easy to read.
Data Logging Function: with up to 65,534 groups maximum storage management space, convenient for browsing the historical data saved by the system.
Semiconductor Sensing Detection Technology: monitoring air quality in your surrounding with highly accuracy, real-time detect O2, temperature and humidity.
Simple Stylish Appearance: the air quality monitor has small size and clean design, perfect fit for house with any decorative style. Free-standing style, no mounting required.
Wide Applications: suitable for using in the car, bedroom, living room, office, classroom, library, etc.