1.ALARM CLOCK WITH PROJECTION ON CEILING: projector clock is easy to view temperature and time by projecting 2.PROFESSIONAL ATOMIC PROJECTION CLOCK: The atomic clock can be connected to the position where the WWVB signal is strong, and the device will automatically calibrate the time. Locations with weak signals can manually set the time and date.3. We can monitor all aspects of the home environment, such as outdoor, garden, room, garage, storage room, basement, backyard, etc. Package contains 1 remote sensor.4.DUAL ALARMS CLOCKS: Separates our wake-up time from family or separates weekdays from weekends, which makes our life more regular.5.WEATHER FORECAST: Forecast weather conditions for the next based on changes in air pressure trends, making it more convenient for us to go out. Please take care to keep the projection clock well ventilated.