1) EASILY READ THE TIME PROJECTED ON CEILING OR WALL: This cool projection alarm clock can project time on ceiling or wall for about 5 seconds with adjustable projecting angle. Lie on your bed to read time instead of turning around and squinting just to find the time. 2) 4 ALARM MUSIC, SNOOZE AND HOURLY CHIME FUNCTION: You can wake up with one of the 4 alarm music accoring to your preference. Snooze function can be activated by pressing“SNZ” Button or touching projection head, Snooze times can be up to 6 times and interval time is 10 minutes. Hourly Chime: Hold “UP” Button for 3 seconds to set Hourly Chime.