INKBIRDPLUS
INKBIRDPLUS Indoor Air Quality Monitor, Temperature and Relative Humidity, Carbon Dioxide Detector, Indoor CO2 Meter with Alarm Function CO2 Detector for Grow Tents Wine Cellars Homes Cars
SAF
SAF Aranet4 Home: Wireless Indoor Air Quality Monitor for Home, Office or School (CO2, Temperature, Humidity and More) Portable, Battery Powered, E-Ink Screen, App for Configuration & Data History
Netatmo
Netatmo Smart Indoor Air Quality Monitor (Temperature, Humidity, Noise and CO2 sensors), NHC-UK
Temtop
Temtop Air Quality Monitor CO2 Detector Professional Carbon Dioxide PM2.5 PM10 Formaldehyde Temperature and Humidity Monitor w/Audio Alarm Data Export (M2000 2nd)