CEM DT-326 Indoor Air Quality Monitor Carbon Dioxide Tester, Temperature, Humidity Detector for Home, Office or School, Air Quality Tester, Battery Powered, with Dual Alarm,CO2 Alarm, Backlight

MULTIFUNCTIONAL CO2 DETECTOR: Using NDIR technology, it monitors CO2 concentration, indoor temperature, and humidity in real-time, which ensures the accuracy of data.

You can customize the alarm value of CO2 concentration, and there are dual alarm clocks and snooze functions, which are perfect for our daily work and life.

CO2 CONCENTRATION INDICATOR: This air quality monitor has 3 stages of CO2 concentration - normal stage (CO2 ≤ 800 ppm), warning stage (CO2 801-1600 ppm), and danger stage (CO2 >1600 ppm).

When the measured CO2 reaches the set high/low alarm level, an alarm will automatically sound, you will hear a beep, and the icon will flash to alert you that ventilation is required.

LARGE TRUE TFT COLOR DISPLAY: Designed with a full-color display and LCD screen, the large 4-inch colorful display allows you to easily see the content on the carbon dioxide detector screen even from the side.