Oregon Scientific RM901 Rainbow Clock allows you to wake up to any of the 4 soothing sounds and easily read the time with the large LCD display! The atomic clock will keep you always on schedule. Listen to your own music from your MP3 player with the line-in jack.Atomic time is always precise and never needs adjusting for Daylight Saving Time. The large LCD display and amber-colored EL Backlight makes it easy to read during low-light conditions. The crystal, color-changing lighting provides a relaxing atmosphere to unwind in any room. Features:4 types of high quality soothing sounds with sleep timerColor changing effect on the transparent part of casingAtomic clock with 8-minute snooze alarm (Buzzer or Soothing sound)Touch button for snooze/soothing sound selectionLine-in jack for playing music from MP3 playerLarge LCD display with user selectable the brightnessUser Manual