LSENLTY WiFi CO2 Detector, 1s Refresh High Accuracy Smart CO2 Monitor, App Control Indoor CO2 Meter with Alert, 1 Year… Price: 69.99 (as of 08/04/2023 22:30 PST- Details)

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Your Smart Air Quality Monitor: LSENLTY 3 in 1 CO2 monitor supports all basic functions(CO2, Temperature and thermometer hygrometer monitor) as well as smart functions such as remote monitoring, CO2 concentration, temperature and humidity graphs. Our indoor CO2 detector are reliable and easy to use for homes, greenhouses and more.
High Accuracy and Fast Refresh Time: With the high quality smart sensor, the CO2 is accurate up to 1PPM (CO2 detection range: 400-5000PPM), temperature is accurate up to ±1℃(Temperature detection range: 0-50℃) while the humidity is ±5%RH(Humidity detection range: 0-99%RH). Up to 1S refresh speed always gives you the latest changes of CO2 concentration value, temp and humidity.