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  1. Hombli Hbsa-0108 Smart Smoke Detector - Grey, Silver/Grey

  2. co2 detector

    co2 detector

    eBay

  3. Air Quality Monitor 5 in 1 Indoor CO2 Detector Formaldehyde HCHO TVOC Tester LCD Temperature Humidity Tester Alarm CO2 Meter

    Air Quality Monitor 5 in 1 Indoor CO2 Detector Formaldehyde HCHO TVOC Tester LCD Temperature Humidity Tester Alarm CO2 Meter

    Aliexpress UK

  4. Fireangel Carbon Monoxide Alarm CO Detector Home Office Use CO2 Battery Powered

    A flashing amber '!'. and an audible chirp will alert you when the batteries need replacing. Test your FireAngel carbon monoxide alarm regularly to ensure it is operational. Choose from smart and wireless devices, as well as standard fire, smoke, and heat alarms.

    eBay

  5. 5-in-1 Air Quality Monitor Formaldehyde Monitor HCHO/TVOC/CO2/Temperature/Humidity Detector Alarm CO2 Meter

    5-in-1 Air Quality Monitor Formaldehyde Monitor HCHO/TVOC/CO2/Temperature/Humidity Detector Alarm CO2 Meter

    Aliexpress UK

  6. 10 Year Life Carbon Monoxide Detector with Battery Digital Display CO2 Sensor

    Carbon Monoxide Detector 10 Year Sealed with Battery Digital Display CO2 Sensor. 1x carbon monoxide detector. Lifespan 10 years, electrochemical sensor He (high stability);. Battery low battery indication;.

    eBay

  7. Air Quality Monitor 5 in 1 Indoor CO2 Detector Formaldehyde Detection HCHO/TVOC/CO2/Temperature/Humidity Air Quality Monitor

    Air Quality Monitor 5 in 1 Indoor CO2 Detector Formaldehyde Detection HCHO/TVOC/CO2/Temperature/Humidity Air Quality Monitor

    Aliexpress UK

  8. CO2 detector with Built-in Hygrometer, Temperature Humidity Monitor

    When limits are exceeded, you'll be notified via sound alarms, visual screen alerts, and app notifications ( Hub required). It has a built-in battery with up to 12 months of life and a low battery warnings.

    eBay

  9. New Air Quality Detector Carbon Dioxide Detector Agricultural Production Greenhouse Gas Monitor Air Quality Tester CO2 Meter

    New Air Quality Detector Carbon Dioxide Detector Agricultural Production Greenhouse Gas Monitor Air Quality Tester CO2 Meter

    Aliexpress UK

  10. Brand New Boxed CO Detector Alarm 10 year warranty White Battery Operated 10"

    eBay

  11. Air Quality Monitor 6-in-1 PM2.5, CO2, TVOC Monitor, Air Quality Detector, Formaldehyde Detector Multifunctional Household

    Air Quality Monitor 6-in-1 PM2.5, CO2, TVOC Monitor, Air Quality Detector, Formaldehyde Detector Multifunctional Household

    Aliexpress UK

  12. Set Of Fireangel Secification Ht-630 10 Year Life Smoke / Heat Alarm

    Set Of Fireangel Secification Ht-630 10 Year Life Smoke / Heat Alarm Brand new never been used You will get what you see in the pictures. Please check all the pictures as it part of the description and for more details

    eBay

  13. INKBIRD Air Quality Monitor 3-In-1 Temperature Humidity CO2 Detector Dual Alarm System Indoor Air Quality Detector for Home

    INKBIRD Air Quality Monitor 3-In-1 Temperature Humidity CO2 Detector Dual Alarm System Indoor Air Quality Detector for Home

    Aliexpress UK

  14. CO2 Detector, Co2 Monitor Carbon Dioxide Detector Alarm, Co2 Sensor

    Perfect for preventing headaches, fatigue and lack of concentration. Small and compact with battery operation, can be taken and used anywhere. Good display visibility from all sides. alarm function and display of temperature and humidity.

    eBay

  15. Newly Upgraded 5-in-1 Air Detector Large Color Screen 30 Hours Battery Life Formaldehyde TVOC Temperature Humidity CO2 Detector

    Newly Upgraded 5-in-1 Air Detector Large Color Screen 30 Hours Battery Life Formaldehyde TVOC Temperature Humidity CO2 Detector

    Aliexpress UK

  16. INKBIRD INK-CO2W WIFI CO2 Monitor, 3 in 1 Indoor Air Quality Detector, Carbon

    Also, we can view historical data on the graphs and export them for further investigation. 3 in 1 WIFI CO2 MonitorINKBIRD Carbon Dioxide Detector is equipped with a premium sensor, which can quickly and sensitively detect CO2 concentration, temperature, and humidity in daily life.

    eBay

  17. Tuya WiFi Smoke Alarm Fire Protection Smoke Detector Smoke House Combination Fire Alarm Home Security System Firefighters

    Tuya WiFi Smoke Alarm Fire Protection Smoke Detector Smoke House Combination Fire Alarm Home Security System Firefighters

    Aliexpress UK

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