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  1. Google Nest Protect Smoke Alarm and Carbon Monoxide Detector - Battery

    Google nest smoke alarm. August 2028 and above all units! 2028 expiry. Comes with 6 months warranty and with the mount, may have no boxes. Grab a bargain.

    eBay

  2. 1Pcs MQ-7 MQ7 Carbon Monoxide CO Gas Sensor Detection Module for arduino

    1Pcs MQ-7 MQ7 Carbon Monoxide CO Gas Sensor Detection Module for arduino

    Aliexpress UK

  3. PROSAFE LCD Digital Display Battery Carbon Monoxide Alarm 10 Year Life 05/2034

    05/2034

    eBay

  4. Indoor Air SGP30 Measurement Gas Sensor Multi-pixel Gas Sensor TVOC/eCO2 Air Quality Formaldehyde Carbon Dioxide Detector Tester

    Indoor Air SGP30 Measurement Gas Sensor Multi-pixel Gas Sensor TVOC/eCO2 Air Quality Formaldehyde Carbon Dioxide Detector Tester

    Aliexpress UK

  5. Honeywell XC100 Carbon Monoxide Alarm X-Series (Replace 2031 & 2032)

    ✅Expiry Date: 2031. LED Indicators : Clear visual signals for power, fault, and alarm status.

    eBay

  6. SCD40 SCD41 CO2 Gas Sensor Module High-Precision Carbon Dioxide Temperature Humidity Detector I2C for Arduino DIY

    SCD40 SCD41 CO2 Gas Sensor Module High-Precision Carbon Dioxide Temperature Humidity Detector I2C for Arduino DIY

    Aliexpress UK

  7. Honeywell XC100 Carbon Monoxide Alarm X-SERIES (Replace 2029) NEW

    eBay

  8. GY-SGP30 SGP40 SGP41 Gas Sensor Module Multi-pixel Gas Sensor TVOC/eCO2 Air Quality Formaldehyde Carbon Dioxide Detector Tester

    GY-SGP30 SGP40 SGP41 Gas Sensor Module Multi-pixel Gas Sensor TVOC/eCO2 Air Quality Formaldehyde Carbon Dioxide Detector Tester

    Aliexpress UK

  9. Cprotect TCS0201A Carbon Monoxide Alarm | 10-Year Battery | EN50291 Certified

    1 × Cprotect TCS0201A Carbon Monoxide Alarm. Model TCS0201A. 📢 Powerful 85dB Audible Alarm. After a brief 5-minute warm-up period, the alarm remains permanently active for 10 years. Lifespan 10 years (battery & sensor).

    eBay

  10. SGP41 Air 5V Measurement Gas Sensor Multi-pixel TVOC/eCO2 Formaldehyde Carbon Dioxide Detector Tester GY- SGP41

    SGP41 Air 5V Measurement Gas Sensor Multi-pixel TVOC/eCO2 Formaldehyde Carbon Dioxide Detector Tester GY- SGP41

    Aliexpress UK

  11. Cprotect Carbon Monoxide Alarm 10-Year Sealed Battery EN50291 Certified - 10PK

    1 × Cprotect TCS0201A Carbon Monoxide Alarm. 📢 Powerful 85dB Audible Alarm. After a brief 5-minute warm-up period, the alarm remains permanently active for 10 years. Lifespan 10 years (battery & sensor).

    eBay

  12. SGP41 SGP30 SGP40 Measurement Air Gas Sensor I2C Multi-pixel TVOC/eCO2 Formaldehyde Carbon Dioxide Detector Tester For Arduino

    SGP41 SGP30 SGP40 Measurement Air Gas Sensor I2C Multi-pixel TVOC/eCO2 Formaldehyde Carbon Dioxide Detector Tester For Arduino

    Aliexpress UK

  13. Handheld Carbon Monoxide Meter Portable High Precision CO Gas Tester Detector

    Detecting gas: CO carbon monoxide. Detector 1. Sound alarm works when CO gas concentration reaches the alarm level. Safety Alarm: Continuous audible alarm above 200ppm. Sensor type: Stabilized electrochemical, specific gas (CO) sensor.

    eBay

  14. 5Pcs 9V 6F22 Battery 9V6F22 Carbon Dry Batteries for Multimeter Microphone Smoke Alarm Metal Detector Disposable Cell

    5Pcs 9V 6F22 Battery 9V6F22 Carbon Dry Batteries for Multimeter Microphone Smoke Alarm Metal Detector Disposable Cell

    Aliexpress UK

  15. HISPEC Battery Operated Carbon Monoxide Detector powered by a 10 year battery HS

    Carbon Monoxide Level: 0ppm (60-90 mins) / 100ppm (10-40 mins) / 300ppm (<3 mins). Reset feature. Power/alarm indicator. Self test on sensor & self diagnostic CO technology. Electrochemical sensor. Power Source: Sealed Lithium Battery with 10 year life.

    eBay

  16. SGP41 Air 5V Measurement Gas Sensor Multi-pixel TVOC/eCO2 Formaldehyde Carbon Dioxide Detector Tester GY- SGP41

    SGP41 Air 5V Measurement Gas Sensor Multi-pixel TVOC/eCO2 Formaldehyde Carbon Dioxide Detector Tester GY- SGP41

    Aliexpress UK

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