Displays the temperature and humidity at up to 4 locations, and provides 12- to 24-hour weather forecast with graphical icons. Shows time in 12 or 24 hour format, and automatically updates via radio signal to the US atomic clock. Features dual crescendo alarms with snooze function, and programmable ice warning and high/low temperature alarms. System comes with one remote sensor with an operating range of 328 feet and -38 to 158 degrees F. Main display and remote sensor run on 2 AA batteries each.