Displays the temperature at the main display location and up to 3 remote sensor locations. 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 a programmable ice warning alarm. System comes with one remote sensor with an operating range of 200 feet and -38 to 158 degrees F. Main display and remote sensor run on 2 AA batteries each.