Project the world's most accurate time plus indoor temperature on your wall or ceiling! Now you can know indoor temperature and the exact time to one-millionth of a second the instant you open your eyes - you'll never run late again! This advanced clock accepts signals from the U.S. atomic clock and automatically resets itself for pinpoint accuracy. It then projects it on the wall or ceiling in bright RED numbers. Also features 170-degree adjustable projection arm for directing display exactly where you want it, LCD display with time/ month/day/date/indoor temp. & alarm clock with snooze.