MULTI-FUNCTION DISPLAY: Humidity temperature gauge features face icons to indicate DRY/COMFORT/WET air condition quickly. LARGE LCD DISPLAY: The digital thermometer and hygrometer adopts a blue backlight and 4.6inch large display screen with large bold font display. It can also display the temperature and humidity of the main unit and 3 transmitters on the same screen, and the reading is clear at a glance. MULTIPLE INSTALLATION METHODS: Wall thermometer features tabletop, wall-mountable and magnet-mountable design, convenient mounting feature for every type of kitchen, greenhouse, guitar room, office and cellar.