If you've ever bought an ethernet cable in bulk and plugged your ends into it, you NEED one of these. This one works just as well as others I've used in the past for a fraction of the price. I don't know if it will last many years, but for the price I'm willing to try.
π¬οΈ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review
Portable Handheld Manometer π for Accurate Pressure Differential Measurement
5 Review
π‘οΈ Continuous Temperature Monitoring with Relative Humidity Integration
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Digital multimeter RGK DM-12
6 Review