Feature: Multifunctional Air Quality Detectorthe latest electrochemical sensor, using natural air flow detection technology to detect and record formaldehyde (HCHO), carbon dioxide (CO2), harmful gases (TVOC) and particulate matter (PM2.5/PM10) in the air in real time The content, the accuracy of 0.001ug/m3, provides you with accurate test results. Those readings involve detection of toluene, harmful chemical substances and pollutants in the air such as carbon dioxide, carbon monoxide,smoke,fog,dust,alcohol,glue,paint,ink and others. New Function DesignReal-time testing of temperature and humidity values, both calendar, clock and alarm functions, simple operation to adjust the value can use these functions. Large LCD Color Screen Digital DisplayLet you easily understand the current air quality status.This air monitor is easy to operate which just pressing the functional button and one full page design make everyone can easy to read all the real time readings at the same time. It also can mean value for each air and overall environment quality color indication which will let you know you need to take some actions if you air is unsafe. 2000mAh Rechargeable BatteryBuilt-in 2000 mAn rechargeable battery and with USB cable, the standby time can last for 6-8 hours after full charging while others can only use 3-6 hours after full charging. Built-in low power consumption processing chip, can carry on long time uninterrupted monitoring to air quality. It will always take care of you and your family health. Portable and Health AssistantMini-compact and easy to carry; CO2 Formaldehyde HCHO/TVOC and PM2.5/PM10 real time gas monitoring to prevent any respiratory disease. The intelligent air quality monitor can help us detect the gas air pollution in household, kitchen, bedroom, office, school, car, hotel, travel, camping, party etc...especially in which has baby,child and pregnant woman. Multi-functional Air Quality DetectorIt's necessary to know the air quality of the place where you live. upgraded indoor air quality monitor built in DART electrochemical sensors that can accurate detect air of Carbon Dioxide(CO2), Formaldehyde(HCHO), Volatile Organic Compound(TVOC), PM2.5/PM10. Those readings involve detection of toluene, harmful chemical substances and pollutants in the air such as carbon dioxide, carbon monoxide,smoke,fog,dust,ink and others.. Wide ApplicationIt can be used for family,offices, hotels, schools, factories, conference rooms, laboratory, airports, hospitals, restaurants, and many other public places,meeting your various needs.it is not only a accurate monitor for air quality, but also nice decoration in your car or house. MaterialMade of ABS material, good feeling, non-toxic, eco-friendly and durable to use. Package Included: 1*Air quality tester, 1*USB cable, 1*User manual. Specification: Material: ABS The screen always displays the current air quality level, date, time, current temperature, Fahrenheit and humidity. You no longer need to open your phone and APP to check the time, temperature, and humidity. With alarm clock function, you can choose whether to use this function. The screen can be turned on or off with one key when it is not turned off. It will not affect your sleep when you are resting, and the use time can be increased when you are out.