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Gravity: Analog Electrochemical Carbon Dioxide Sensor (0-10000 ppm) - DFRobot

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EveryMarket

👍 Powered by rechargable lithium battery, the air quality monitor makes it easy to take measurements from one room to another in order to get an

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GOYOJO Mini CO2 Detector 3 in 1 Carbon Dioxide Air Quality Monitor Temperature Humidity Analyzer Digital Meter - AliExpress

【Mini Air Quality Monition】The Air Quality Monitor is small and portable, easy to carry around as a decoration, and you can check air quality anywhere

Mini CO2 Detector, Aiment 3-in-1 Lightweight Portable Carbon Dioxide Detector Air Quality Monitor Temperature Humidity Air Analyzer Digital CO2 Meter

LifeBasis Portable CO2 Dector CO2 Monitor with NDIR Sensor and Warning