Detector Pollution Temperature Humidity Professional Review

The air quality tester has built-in advanced Infrared (NDIR) sensor designed to accurately track air quality including CO2, temperature and humidity. Tips: Please let the device work short mins outdoor before use for most accurate results. The built-in 2500 mAh battery can provide more than 24 hours of standby time when fully charged, in addition to real-time power through the included usb charging cable, this enables long-term monitoring of air quality level. Press the main function key quickly to turn on/off the automatic alarm function (An alarm will be issued when the CO2 reading exceeds 1000ppm). Professional Infrared (NDIR) sensors require a sampling time of only 1.5s, which can display the current air quality on the screen in real time(Since the air is flowing, the value of CO2 will change, but it will always remain within a range). The air quality detector uses a 2.8 inch TFT LCD color screen digital display, which can show the readings simply and intuitively . A portable detector the size of a palm, is easy to carry and can detect the gas quality in bedroom, living room, kitchen, office, car, school, hotel, campground and other environments. the data can indirectly understand the presence of second-hand smoke and mold, which will send out an alarm for your health. Multifunctional Carbon Dioxide tester → This product fill light can detect your indoor carbon dioxide, but also display the air humidity and temperature. If you have any questions, please let us know. Your email will be answered within 12 hours. log in your Amazon account> choose "Your orders"> find the order ID> click "contact seller".