Features:1. Perpetual calendar, time, date, week display2.12/24 hour conversion3. Chord music/natural noise4. Snooze function5. Countdown function6.Music appreciation mode (10 music choices) (The first 1-3 are natural sounds, respectively, the sound of the waves, blisters, running water; the first four for the first three cycles; the fifth for the world's classic music 5-9 The 10th is the 5-9thchord music cycle).7.Colorful stars project romantic romantic sky maps with musical rhythm8. Backlight functionThis wonderful starry projector alarm clock is a great gift for both kids and adults on birthday, Christmas, etc.Specifications:Mirror Material: PlasticDial Material: Organic GlassShell Material: ABSSize: 104 x 82 x 102 mm(L*W*H)Powered by 3 AAA batteries (Not included)Package Included: 1 x Music Star Sky Projection ClockNote:Due to photo lighting problems, the color of the picture may be slightly different.Due to manual measurement, the size may have an error of 1-2cm.