This AcuRite® 3" Digital Humidity and Temperature Comfort Monitor ensures the right indoor humidity, delivering skin, allergen, and other health benefits. Boasting an easy-to-read LCD, this AcuRite weather station displays indoor humidity and indoor temperature (ºF or ºC); daily high/low humidity and temperature; humidity and temperature trend arrows; a home comfort icon; and a low battery indicator. This AcuRite Humidity and Temperature Comfort Monitor includes a magnetic backing that adheres to the fridge, can be hung on a wall, or stands upright. Runs on 1 AA battery (not included). 3"H x 2.5"W x 1.3"D. Mfrs. 1-year limited warranty. Manufacturer model #: 00613. Large, easy-to-read LCD. Indoor humidity and temperature (ºF or ºC) Home comfort icon. Daily high/low humidity and temperature. Humidity and temperature trend arrows. Low-battery indicator. Tabletop, wall-mountable, or magnet-mountable.