Multifunctional: The alarm clock displays time (12/24H), calendar (MM/DD), day of the week, weather icon, temperature (C/F), humidity and also has alarm, snooze function. Time Projection: Project the time onto any wall or ceiling. When the projection clock is 2 meters away from the home wall or ceiling, the height of the projected is about 20 cm; The projection distance is about 1-5 m, the projection angle can be rotated 180 degrees. Energy Saving: When the digital clock is powered by batteries, the backlight and projection will stay on for 8 seconds by pressing the SNZ/LIGHT button. When powered by an external power supply, the backlight and projection will always stay on. Colorful LED backlit display with weather trend indicator shows the upcoming weather trend. This watch has a color screen that tells the time. It also has an alarm function so you never lose your rhythm. With snooze mode. Two-way power supply: The projection alarm clock powered by 2 AAA batteries (not included) or