The AcuRite Atomic Projection Clock with Indoor Temperature. Wake up to the time projected in large digits on your wall or ceiling with the AcuRite Projection Clock. The alarm clock features an easy-to-read screen with time, month / date, day of week and indoor temperature, a loud alarm clock and snooze button. The atomic clock and calendar are radio-controlled to maintain the correct time and date with split-second precision, and automatically adjust for daylight saving time (DST).