Multifunctional Digital Alarm Clock: Alarm clock display time (12/24H), calendar (MM/DD), working day, weather icon, temperature (C/F), humidity and alarm function, support snooze function. Depending on the room condition, the alarm clock can predict the humidity and temperature trend within the next 12 hours. Ideal ChoiceColor LED backlit display with weather trend indicator to show upcoming weather trends. The color display of this watch shows the time. It also has an alarm function so you don't miss any beats. Has a repeating pattern. LCD Display: The color backlit LCD display looks beautiful at home or in the office, perfect for checking the time at night without disturbing anyone. Adjustable Projection: Project the time and temperature on the ceiling or wall, easy to see the time in bed. Adjust the projector back and forth, change the brightness of the projection and flip the projection 180 for maximum sharpness. Powered by USB port and AAA battery: Two power supply methods make the alarm clock more flexible in daily use. The projection alarm clock is powered by 2 AAA batteries (not included, the alarm clock battery should not use high-energy alkaline batteries) or DC 4.5V input (including USB cable, not including main adapter).