You can tell that this product is made in China because of the Chinese labeling on the back of the device and the terrible translation that it uses on the screen, but otherwise I strongly recommend using this product.
π Dioxide Controller for Digital Gas Monitoring
5 Review
π₯ Advanced Testo Wireless Hot Wire Anemometer Technology
4 Review
Portable Handheld Manometer π for Accurate Pressure Differential Measurement
5 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