
Very good quality for the price. Can't win! The local HVAC dealer charges $15-$22. Got 10 for the price of one delivered! I immediately took my meter and tested all 10. 10/10 worked fine and was accurate to tenths of a degree.

Weather station hygrometer for home indoor household thermometer with humidity measurement ULBI H1
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π² Pin-Type Wood Moisture Meter Detector
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π General Tools MMD4E: Highly Accurate Moisture Meter with High, Medium, Low Measurements
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π§ UEi Test Instruments DAFM3B Digital Multimeter
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Portable Handheld Manometer π for Accurate Pressure Differential Measurement
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π¬οΈ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
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