INKBIRDPLUS 6-in-1 Indoor Air Quality Monitor, Detects CO2, PM2.5, PM10, AQI, Temperature and Humidity with Alarm, for Rooms, Cellars, Grow Tents, Offices, etc. (PTH-9A)

💡💡【6-in-1 Air Quality Monitor】INKBIRDPLUS 6-in-1 Indoor Monitor has built-in professional detection sensors, it can accurately detect the current CO2 concentration, PM2.5, PM10, AQI, temperature, and humidity in the air.
💡💡【Three AQI Stages & Sound Alarm】This Air Quality detector is designed with 3 stages of AQI – normal mode (0-50), warning mode (51-100), and danger mode (101-500). When the AQI index exceeds 100, the detector will sound an alarm.
💡💡【Calibration Function】After the device is turned off, take it to a ventilated place, and press and hold the three keys at the same time, the product will enter the automatic calibration state of carbon dioxide concentration value for 200 seconds.
💡💡【Color LED Screen】The color display with backlight makes each value clear at a glance, and you can also check the time/date/year on the detector. This air quality meter also supports setting the current time, C°/F° switching.
💡💡【Wide Application】This portable detector can detect air quality in bedrooms, living rooms, kitchens, cellars, cars, grow tents and more. With a hook design, it can be placed on the desktop or hung on the wall for easy viewing, is an ideal indoor air quality detector for our lives.