This advanced clock accepts signals from the U.S. atomic clock and automatically resets itself for accuracy of one-millionth of a second - you'll never run late again! Plus it projects the time and indoor/outdoor temperature on the wall or ceiling in bright RED numbers. Also features 170-degree projection arm rotation for directing display exactly where you want it, LCD display with time/month/day/date temp, single alarm clock and snooze. Comes with outdoor temperature sensor with 98' range. This is a customer return. Customer returned items have a 7 day return policy.