Infrared NDIR Carbon dioxide CO2 detector with alarm, thermometer, room humidity. Black — Lung Dragon

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GZAIR PT01-B Smart Wi-Fi CO2 Meter, Data Logger, Tabletop & Wall Mountable Carbon Dioxide Monitor for Home & School, NDIR Sensor, Temperature & Humidity, Rechargeable Battery Included

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GZAIR Indoor CO2 Meter, Temperature and Relative Humidity Wall Mountable Carbon Dioxide Detector, Air Quality Monitor, CO2 Monitor, NDIR Sensor, Time & Date, 0~5000ppm Range(Battery Included): : Industrial & Scientific

Smart CO2 Detector, Indoor Air Quality Monitor, NDIR Sensor Carbon Dioxide Detector, Temperature Humidity Air Tester for CO2 Alarm, Smart Life Tuya APP Digital CO2 Meter - K&F Concept

GZAIR PT01-B Smart Wi-Fi CO2 Meter, Data Logger, Tabletop & Wall Mountable Carbon Dioxide Monitor for Home & School, NDIR Sensor, Temperature & Humidity, Rechargeable Battery Included

Tekcoplus Portable Digital Carbon Dioxide Temperature Humidity Indoor 9999ppm NDIR Sensor IAQ CO2 Monitor Wet Bulb Temperature (WB) Dew Point (DP) Tester CO2

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ALL-IN-1 CO2 DETECTION: Handheld device measures temperature, relative humidity, and carbon dioxide levels with precision and rapid response

Indoor CO2 Meter, Temperature and Relative Humidity Wall Mountable Carbon Dioxide Detector, Air Quality Monitor, CO2 Monitor, NDIR Sensor, Time

GZAIR PT01-B Smart Wi-Fi CO2 Meter, Data Logger, Tabletop & Wall Mountable Carbon Dioxide Monitor for Home & School, NDIR Sensor, Temperature & Humidity, Rechargeable Battery Included