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No featured offers availableWe feature offers with an Add to Cart button when an offer meets our high standards for: Quality Price, Reliable delivery option, and Seller who offers good customer service “No featured offers available” means no offers currently meet all of these expectations. Select See All Buying Options to shop available offers. Learn your air quality, live a healthy life. GZAIR is devoted to offering advanced and innovative air quality monitors and detectors for customers. We have successively launched a series of IoT sensors such as CO2 sensor data loggers, air quality monitors, and other detectors. GZAIR CO2 sensor data loggers are suitable for a wide range of scenarios such as Greenhouse, Home, School, Hospital, Hotel, Restaurant, etc. Unlimited data logging and memories IP67 Waterproof CO Gas Alarm for Home and Travel Vehicle CO Gas Alarm To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness."...It works very well, if you place it correctly...." Read more"...by touching any of the onscreen function button, which is useful at nigh time or if the lighting is dark...." Read more"Works great, easy to use and navigate trough the menu. the Log is handy to see what happend overtime (only 7 day's)...." Read more"...to use compared to other model I got from Amazon, the buttons did not work well, this one did not include a power block and was $10 more, go figure?" Read more"...The digits is easy to read and there is also running graph of the monitored CO2 levels for the past several hours...." Read more"Based on my experience with this, CO2 readings are accurate. Data logging and the menus in general are easy to use and navigate...." Read more"...I do enjoy being able to monitor and influence CO2 levels in my room, and it also comes with a digital thermometer and a humidity gauge which is..." Read more"...This is exactly what I was looking for to monitor peak CO2 in a given room while it's being used...." Read more"Works great, easy to use and navigate trough the menu. the Log is handy to see what happend overtime (only 7 day's)...." Read more"...Data logging and the menus in general are easy to use and navigate...." Read more"...The menu and settings are easy to use, and I like that you have the option to turn off the sounding alarm. It’s small and compact...." Read more"...It's so easy to use and it has multiple functions...." Read more"...also monitors the current ambient temperature as well as the relative humidity level...." Read more"...This helps me to adjust airflow through the room when I need it...." Read more"...for a month, but it seems to accurately read the temperature, relative humidity, and the CO2 levels in my hydroponic grow room...." Read more"I live next to the beach and the air inside my home feels clean...." Read more"...the Log is handy to see what happend overtime (only 7 day's). Display has a good read out and medium size letters/characters." Read more"Based on my experience with this, CO2 readings are accurate. Data logging and the menus in general are easy to use and navigate...." Read more"...I do enjoy being able to monitor and influence CO2 levels in my room, and it also comes with a digital thermometer and a humidity gauge which is..." Read more"...Display has a good read out and medium size letters/characters." Read more"...The primary monitor for CO2 is fast and I do love the graphing feature that lets me monitor peak over an adjustable time period up to a whole day...." Read more"Supremely useful multi display..." Read more"This is a great little device and worth the money. It is calibrated well and was within the expected range both outside and inside when I tested it...." Read more"...proximity with any person in an enclosed space, the readings will be all over the place...." Read more"...I’d say it measures the levels accurate enough for my usage. It does not run on batteries so make sure that you have an Outlet to plug it into...." Read more"...this product, albeit a minor one, is that it doesn't have any clear error readings. Like is my room at 589 ppm exactly or is it +/- 20 or something?..." Read more"...Being powered by a usb cord is a little strange but does not bother me." Read more"Requires continuous power via USB cable..." Read more"No battery back up..." Read more"Needs to be plugged in..." Read more







