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Simultaneously displays the time, indoor and outdoor temperatures on jumbo easy-to-read LCD display with LED backlight for viewing in the dark. Features convenient 10 weather resistant probe which monitors outdoor temperature. User selectable °C or °F temperature units of measure, and 12 or 24-hour display format. 2-1-2 w x 4-1-3 h. Uses 2 AAA batteries, not included.
We love this for getting a quick read of the outdoor and indoor temperature, and helps us keep track of the A/C and heater temps than the thermostat that controls them. The only thing we don't like is the cord -- it would be 5 stars if it was cordless.Review by Casey (on 9/17/12)