The only reason I gave it two stars is because 1 out of 3 actually reads correctly. The other 2 went straight into the trash.
π‘οΈ Continuous Temperature Monitoring with Relative Humidity Integration
4 Review
Digital multimeter RGK DM-12
6 Review
π¬οΈ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review
π Dioxide Controller for Digital Gas Monitoring
5 Review