Hygrometer displays high/low for temperature and humidity in Fahrenheit or Celsius on large touchscreen display. Install quick-connect bracket on interior door or wall of safe or vault room, or use fold-out stand.

Features:Indoor thermometer and humidity sensor for safes and vault rooms;Large touchscreen display;Displays high/low for both temperature and humidity in either Fahrenheit or Celsius;Install the quick-connect bracket on interior door or wall to save shelf space;Powered by two AAA batteries (not included)