【Safety For Everyone】: This air quality monitor sensor indoor make the air visible.High CO2 concentration will affect productivity and learning ability.Particulate matter and C6H6 is mainly found in decoration materials and automobile exhaust, and long-term exposure is harmful to the body.So monitoring Indoor air quality is important. 【8-in1 CO2 Meter】: Air quality monitor indoor pollen shows a full picture of air quality index (AQI) by monitoring carbon dioxide (CO2), total volatile organic compounds (TVOC), particulate matter (PM 2.5,PM 10), benzene(C6H6), formaldehyde（HCHO）temperature and humidity. You can also check the date and time on the screen. 【Easy to use】The top three buttons on the air quality monitor formaldehyde detector is rich in functions, which can realize all operations such as alert sound, backlight, temperature unit switching, time, and automatic calibration. Unique Simple cube design, suitable for different decoration styles. 【Applicable Scenarios】Our portable air quality monitor tvoc helps to monitor air quality anytime, anywhere. No matter it is for the living room, baby room, and car, or in public places such as gym offices, schools, or restaurants, we are always here to guardian your healthy. 【We Are Here To Help】: If you are not 100% satisfied with your new air quality monitor for dust just let us know! Contact us via Amazon messages and we can help with any issues. 【12 Month Warranty】, Weight: 0.771617917 Pounds, Manufacturer: Therm La Mode