Indoor Portable CO2 Detector Multifunctional Thermohygrometer Home Air Detector Intelligent Air Quality Analyzer Household Air Pollution Monitor

Features:
Press and hold the button for 2s to power on. The corresponding temperature CO2 concentration and humidity can be quickly detected within 5-7s.
LCD scree CO2 data display and with light indicator, 0-499ppm is displayed in green, 500-999ppm is displayed in yellow, 1000-1499ppm is displayed in orange, 1500ppm and above is displayed in red.
Has a built in batter, and the battery can be accurately displayed on the screen. When the battery is lower than 1％, the monitor will emit 2 didi sound per 20s and only emit six didi sound in one minute, then muted.
Automatically turn on when charging.
Applicationplaces: home, classroom, office, closed gyms apartment, etc.