Projection Alarm Clock for Girls, 105dB Loud, Rotatable Projector

In Daily, Battery Backup: The package includes an AC adapter, USB charging cable, and instruction manual. Four AAA batteries, not included, support backup or travel use; on battery power alone, the screen lights for 10 seconds, then turns off while the alarm functions remain available. Size: 6.3 x 1 x 2.2 inches. A practical birthday or holiday gift.