Wintact Humidity and Temperature Meter, Digital Hygrometer Handheld

4-in-1 Digital Hygrometer: Accurately measures Temperature (-4 to 158, 1), Humidity (0%-100% RH, 4% RH), Dew Point, and Wet Bulb (-4 to 122, 2). Features a clear backlit LCD for easy reading in dark environments, plus a Max/Min record function to track climate changes, Whether you're protecting vintage wine or perfecting your greenhouse climate | Data Logging Function: Featuring a built-in logger, this temperature humidity meter can store up to 1,000 data points. It helps you easily analyze historical trends and monitor environmental fluctuations | Built-in High/Low Alarms: Features an audible alert that sounds immediately when temperature or humidity exceeds set thresholds (Default settings: High (95, 80% RH) and Low (50, 10% RH)). The alarm can be easily turned off when not needed | Pocket-Sized & Portable: Measuring just 7.24 2.2 1.41 inches and weighing only 4.55 oz, this humidity meter fits easily into your pocket. Powered by 3 AAA batteries, it runs continuously for over 30 hours. The low-power design features an auto-off function after 15 minutes of inactivity to conserve battery, along with a low-battery alert for your timely replacement | Versatile & Widely Applicable: Whether you need HVAC balancing, cigar and guitar room humidity control, or reptile incubation, this humidity meter is ideal. It also excels in demanding environments like factories, laboratories, warehouses, and agricultural settings | What You Get: 1 x Digital Temperature and Humidity Meter, 3 x 1.5V AAA Batteries, 1 x English User Manual, a 12-Month Warranty, and reliable 24/7 professional customer service.