Monitoring the indoor relative humidity is an important part of dust mite and mold control for allergy. Large, easy to read displays show percent relative humidity, temperature and time. Memory with reset function stores minimum and maximum measurements for humidity and temperature. Gauge is approximately 3"x 4", and comes with built-in stand, bracket for optional wall mounting, and AAA battery.
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I found this product so useful that I bought another one. With allergies to indoor and outdoor allergies as well as asthma, the temperature and humidity levels inside my house is paramount to keeping my indoor environment clean and just right for me. This helps me gauge changes I need to make.