MULTIFUNCTIONAL AIR QUALITY METER:This 5 in 1 air quality tester can real time accurate detect carbon dioxide (CO2), formaldehyde (HCHO), volatile organic compounds (TVOC), temperature and humidity. It is necessary to know the air quality of the place where you live and it can help you understand indoor air quality at a glance. USB RECHARGEABLE BATTERY:This indoor air quality monitor adopts 1200mAh battery and supports USB charging, supporting a long time of continuous use and providing great convenience to charge, so that you can check the air quality from anywhere. It can carry on long time uninterrupted monitoring to air quality and always take and your family health. COLOR LED SCREEN:This CO2 detector adopts intelligent color screen, which is super easy to read and shows clearly real time data. You can directly to know the overall environment quality and track on each gas mean value to know what gas in air is unsafe and take accordingly actions. In alert mode, the monitor alert you to the environment by changing the colors. WIDE APPLICATION:This low power alerts air quality meter is small and portable, can detect the gas quality in bedroom, living room, kitchen, office, car, school, hotel, cellars, restaurant, campground and other environments. It is suitable for home air detection, car air detection, grow room, maternal and child room air detection, and public place detection and so on. Voltage: AC220V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Material: Plastic colour: White Package Contents: 1 x Air Quality Monitor 1 adapter 1 x cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.