SCD41 gas sensor module detects CO2 and carbon dioxide, combines temperature and humidity detection, and uses I2C communication.

7Dcoc Digital Carbon Monoxide Alarm (10-Year Sensor)

RIDGID 36163 Micro CD-100 Gas Detector 36163 RID36163

Switzer Quality Mobile 11FT Drywall Lift Hoist Panel Plaster Board Lifter

Carbon Monoxide Alarm Digital 10 Year Sealed

7Coc Carbon Monoxide Alarm (10-Year Sensor)

10Lldco 10 Year Sealed Battery Digital Carbon Monoxide Alarm

Carbon monoxide detector, battery-operated, gas detector with display and temperature display

10 Year Life Carbon Monoxide Alarm,Digital Display CO Detector,Battery powered(1-pack)

10 Year Life Carbon Monoxide Alarm,Digital Display CO Detector,Battery powered(2-pack)

10 Year Life Carbon Monoxide Alarm,Digital Display CO Detector,Battery powered(3-pack)

10 Year Life Carbon Monoxide Alarm,Digital Display CO Detector,Battery powered(10-pack)

Gas Detector, Plug-in Propane/Butane/Methane Gas Leak Detector, Battery-Free

Combination Natural Gas Leak Detector and CO Detectors, 4-in-1 Plug-in Wall Design Carbon Monoxide & Gas Detector with HD Screen&Indicator Visual&Audible Alarm for Home, Kitchen

Portable Carbon Monoxide Detector for Travel Camping Car, Handheld CO Alarm, Carbon Monoxide Meter with Built-in Rechargeable Battery, White, HD09

3-in-1 Carbon Monoxide Detector with Alarm, Temperature and Humidity Sensor, Ideal for Home, Caravan, Apartment, Basement, EN 50291 Certified. (White)

Carbon Monoxide Detector, Battery Powered, Gas Detector with Display and Temperature Indicator

Carbon Monoxide Detector, Battery Powered, Gas Detector with Display and Temperature Indicator-