Fashionable design with Barbie lights up for a few minutes when you press it Temporary backlit LCD display Button to trigger the sound effects of the Barbie! Alarm clock with adjustable volume and selection of ringtones inspired by the Barbie world. Press the top of the alarm clock or Barbie to turn off the alarm. Self-timer function Power supply: 3 x AA / LR6 (not included). Low battery indicator.