Multifunctional air quality monitor capable of detecting and measuring ozone (O3) level, and real-time temperature and humidty,It can be used in office, indoor outdoor and detection of ozone residue after disinfection. Ozone monitor equipped with an intelligent sensor that provides accurate and reliable data, have ensuring that you are always aware of the air quality around you,O3 meter equipped with an adjustable alarm threshold that alerts you when the air quality exceeds a certain level, helping you to take action to improve the air quality. Air quality monitor comes with a rugged case, easy to carry around and use in different environments, both indoors and outdoors.Electrochemistry sensor for O3. Temperature and Humidity sensor. AQI for ozone concentration index. Support time and date, self-calibration function. Portable air quality monitor features a 2.8 blue backlit LCD screen ,320 * 240 pixels,display various parameters,Air quality monitor has Large 2000mAh capacity lithium battery.that displays real-time air quality data, as well as temperature and humidity readings. The Ozone Generator can monitor the ozone levels, it is widely used in chemical plant, water treatment plant, pharmaceutical factories, Perfume and fragrance manufacturing industry and life etc. Ozone is an irritant and may cause health issues. With it, you can better to protect your family and yourself.