Air Quality Monitor, Indoor CO2 Meter, Accurate Air Quality Detector for CO2 HCHO TVOC/AQI for Home Office, Real Time Data & Rechargeable Battery

5 IN 1 MULTI-FUNCTIONAL DETECTOR: Know your air- Upgraded indoor air quality monitor built in DART electrochemical sensors that can accurate detect air of Carbon Dioxide(CO2), Formaldehyde(HCHO), Volatile Organic Compounds(TVOC).
5.5 INCH & REAL TIME LED SCREEN DISPLAY: Large screen display makes it easier to read data, which shows clearly real time CO, CO2, HCHO,TVOC, AQI of five indicators. The battery displays three color states: green, orange, and red. Green indicates sufficient power. Orange indicates half of the battery. Red indicates insufficient power(Need charge it in time).
EASY TO USE: Once turn on the air quality meter, it will automatically measure the surrounding air quality for you.The air quality detector has three easy operation buttons. ON-OFF: Long press 3 seconds turn on or off. ANEW: Long press 3 seconds to reset instrument calibration. RESET: Long press 3 seconds data to clear and new detection.
PORTABLE DESIGN: This Indoor Pollution Detector is compact and very easy to carry, size:4.8* 2.5*1.1 inch.This CO2 detector is ideal for living room,bedrooms, cars, offices, school, and other indoor occasions.
KINDLY NOTE: Please be aware this air quality tester is for home indoor place, please kindly close door and window before testing.