Indoor temperature display with wireless outdoor remote, ice alert, and atomic clock with calendar * Green LED light blinks when remote temperatures drop below freezing; atomic clock adjusts itself automatically and for Daylight Savings Time where applicable * Monitors temperature in up to three locations (2 other remote sensors sold separately); remotes work up to 100 feet away * Rests on stand for desktop use or use integrated magnet mount for fridge * Main console measures 3.3 by 4.6 by 1.6 inches; weighs 8 ounces; requires 2 AAA batteries and 1 AA (batteries not included)