Jicfung Air Quality Monitor Detect Test Indoor Tester 3-in-1 Carbon Dioxide Detector Reader CO2 Alarm 400-5000ppm…

Product DescriptionEasy to operateThrough the touch screen switch on / off Battery charging1.The detector has a built-in 2500mAh battery, to be able to work for about 24 hours. Please do not be concerned, our detector can work even as charging. 2. After the CO2 alarm function is turned on, an alarm will sound when the CO2 concentration reaches 1000ppm. This function can be turned off by pressing the main function key .3. Because the air is flowing, the CO2 reading will change at any time, but the reading will remain within a range, which is the current concentration of CO2 in the air.Customer ServiceIf you have any questions, please let us know. Your email will be answered within 12 hours.log in your account choose ”Your orders” find the order ID click ”contact seller”

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This CO2 meter wish to be charged for several hours first with the USB cable included in the package box after you receive it .
The built-in 2500 mAh battery can provide more than 24 hours of standby time when fully charged, along with 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’ll all the time 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 not directly remember the presence of second-hand smoke and mold, to be able to 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 in case 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”