They don't break, they can only be lost in the store. Luckily they're showing up again, and who knows, one from the old ones or the one you just bought. Buy 5 for the first time as only 1 will be replaced (lost) a few times. In fact, it's a convenient, lightweight little strap for your pocket.
π‘οΈ Continuous Temperature Monitoring with Relative Humidity Integration
4 Review
π Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
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§ UEi Test Instruments DAFM3B Digital Multimeter
6 Review