CO2 11 Monitor for Wall Mount, Indoor Carbon Dioxide Detector CO2 Alarm Detector 2000mAh For Home School Office (Price - Ex- VAT)

Automatic CO2 Alarm Notification - air quality monitor can set the CO2 alarm threshold, The alarm threshold range is 800ppm-2000ppm, set a value

Carbon Dioxide Monitor, Portable CO2 Detector, Standing For Home Office Black

Commercial CO2 Monitor, Wall Mounted CO2 Meter

CO2 11 Monitor for Wall Mount, Indoor Carbon Dioxide Detector CO2 Alarm Detector 2000mAh For Home School Office (Price - Ex- VAT)

3-in-1 CO2 Monitor Indoor Air Quality Monitor CO2 Detector with 0~2000ppm Range,Carbon Dioxide, Temperature, and Humidity Tracking -Avanced Wall CO2 Meter with Alarm and Relay Function : Industrial & Scientific

13 in 1 Tuya WIFI Air Quality Detector CO2 /TVOC/HCHO/PM2.5/PM1.0/PM10/Temperature/Humidity/Time/Date/Alarm/Timer/Stopwatch Meter - AliExpress

CO2 Carbon Dioxide Detector, Indoor Air Quality Monitor 4-in-1 Portable CO2 Monitor, Tester for Carbon Dioxide, Temperature & Relative Humidity, CO2 Meter with Alarm, for Home, Car, Grow Tents, Travel

3 in 1 Real time CO2 Detector Plug in USB,CO2 Monitor Sensor with 4 Color Lights Alarm,Air Quality Monitor,℃/℉ Temperature and Humidity Tester Meter,Carbon Dioxide Detector for Indoor,Home,Office : Industrial

Mini CO2 Detector with Alarm Air Quality Monitor Carbon Dioxide Detector with

Carbon Dioxide CO2 Monitor Wall Mount Indoor CO2 Sensor Air Quality Meter Temperature Humidity NDIR CO2 Sensor Indoor Air Quality Monitor for Home with Alarm Funtion 400~5000PPM NDIR Sensor : Industrial

CO2 Monitor Indoor Air Quality Monitor CO2 Detector 9999ppm Measuring Range, Carbon Dioxide Humidity Temperature Meter with Audible Alarm Clock for Grow Tent, Home, Office, Cars. : Patio, Lawn & Garden

15 In 1 Tuya Air Quality Monitor CO2 Meter Carbon Dioxide Detector Time TVOC HCHO PM2.5 PM1.0 PM10 Temperature Humidity Tester - AliExpress