Digital LCD Display on main unit with min/max temperature settings
Audible and Visual Alarm when temps exceed min/max set -22° to 104°F
Easy to set Main unit includes a magnet to secure to the outside of the fridge and a stand Sensors clip into place inside the fridge and freezer Suction cups included
Main unit powered by 2 AAA batteries (not included) Each sensor powered by 2 AAA batteries (not included)