180 Ultra Clear Projection. The projection clock has a 180 adjustable projection that projects time onto the ceiling or wall. The time can easily be read on the wall or ceiling while lying in bed. The projector alarm clock can only be projected towards the back of the alarm clock, if forward, the number will be upside down. Multiple Functions. This is a multifunctional alarm clock with large screen display time (12/24H), date, alarm, week, temperature and humidity, etc. Thanks to the simple design, it is very easy to set time and alarm, turn on/off the alarm, and light up backlight. USB or batteries powered. Our projection alarm clock is powered by USB cable, the adapter is not included. The screen and the projector will always on when the USB is powered. When the digital clock is powered by battery, press the SNOOZE/LIGHT or SNZ button, the backlight and projection will only stay on for about 8 seconds. Snooze Silent Clock. Super quiet concise design alarm clock without annoying tick tock sound, ideal for those who need complete silence to fall asleep. When the alarm rings, you can press the SNOOZE/LIGHT button to snooze for extra 8 minutes sleeping. Easy to read. Nice neat layout make it possible to view the time, week, temperature and humidity at the same time. Some patterns are displayed on the screen, directly showing the weather conditions. When pressing the MAX/MIN button, you can check the maximum or minimum temperature and humidity.