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

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

Carbon Dioxide Detector for Stores, Schools and Nursing Homes

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

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

Dienmern CO2 Monitor for Wall Mount CO2 Pollution Monitor, Alarm (11'' Display)

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

CO2 Meter Air Quality Monitor Handheld CO2 Monitor 0~9999ppm Measurement Carbon Dioxide Temperature Humidity Detector NDIR Sensor Indoor Outdoor Air Quality Tester: : Industrial & Scientific

15 in 1 Air Quality Monitor LCD Large Display Digital Formaldehyde CO2 Detector Multifunctional Air Quality Tester for Household

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 Carbon Dioxide Detector, 4-in-1 Indoor Air Quality Monitor Portable CO2 Monitor, Tester for Carbon Dioxide, Temperature and Relative Humidity, CO2 Meter with Alarm, for Grow Tents, Homes, Cars: : Industrial

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

15 in 1 Air Quality Monitor LCD Large Display Digital Formaldehyde CO2 Detector Multifunctional Air Quality Tester for Household

CO2 Monitor for Wall Mount, CO2 Detector Act on Air Pollution Monitor, Dienmern CO2 Alarm Detector, Indoor Air Quality Carbon Dioxide Monitor Detector for NDIR CO2 Monitor, (11'' Display) : : DIY