Relaxor's Sound and Light Therapy is a unique enviromental sound system that is the latest and most advanced in engineering design for optimal sound, light and clock features. It fits on a bedside table or desk and it provides its user with six soothing sounds. The six nature sounds include Song Bird, Wind Chimes, Night Moves, White Noise, Rolling Waves and Heart Beat. Incl: 8 minute snooze button, headphone outlet for private listening and 30-60 minute continuous timer. Battery or AC powered. AC adapter is included.