By activating the 24-hour reading function, you can read the highest and lowest measured temperature and humidity level during the last 24 hours. The hygrothermometer is automatically reset at 0:00 every day for a new 24-hour measuring interval

AAA battery included. This hygrometer has a clear display, which can show temperature in both Celsius and Fahrenheit.

Do you have moisture problems without knowing about it?

It is not always easy to know if you have excess moisture in your basement, crawl space or laundry room. Excess moisture can lead to mold, rust and rot and cause major damage to your house. With a hygrometer from Wood's, you can easily and smoothly keep track of the moisture and ensure that you always maintain a good moisture level. With a hygrometer, you detect your moisture problems before they cause any damage! Below 72%, black mold stops growing and below 68%, mold stops growing.