Northwest Projection Alarm Clock with FM Radio Back-lit Display for 5 seconds after Snooze/Light Button is pressed in normal mode Projector Displays Time on You Wall or Ceiling for 5 seconds after Snooze/Light Button is pressed in normal mode Projection Focus Dial Requires 4 AAA batteries (not included) Dimensions: 3.375 x 2.125 x 4.875 Inch