Docooler 5 in 1 Air Quality Monitor Digital CO2 HCHO TVOC Humidity Tester USB Rechargeable Indoor Carbon Dioxide Meter for Room Office Greenhouse Warehouse

Please note this item ships from an international seller. Expected delivery is 10-15 days. This product is a carbon dioxide tester which can monitor the concentration of CO2 in the air humidity and indoor formaldehyde and other harmful gases. No calibration is required it can be tested when it is turned on and it can accurately detect carbon dioxide. Features: 1. 5-in-1 function: The air quality detector is small and portable and can accurately measure CO2 concentration TVOC HCHO and humidity. 2. Air convection design: Convective air is formed by openings on both sides and back of the detector and real-time convection detection is more accurate. 3. 6.5-inch screen: 6.5-inch large screen displays power time date CO2 value TVOC HCHO humidity. Different font colors show different air quality. ( 400-800ppm: green means normal 800-1800ppm: yellow means slightly higher concentration more than 1800ppm: red means ultra-high concentration ) 4. Semiconductor sensor: It adopts semiconductor TVOC sensor which has good stable performance strong -interference ability low consumption and long service life. 5. Applicable occasions: The air detector is mainly used in living rooms schools hospitals gyms cinemas offices breeding greenhouses and other places.