Serene stars & moon projection Glowing nightlight with dimmer control Plays four melodies (Eine kleine Nachtmusik, Twinkle Twinkle Little Star, Brahms’ Lullaby, Rock-a-bye Baby) and four nature sounds (Rainforest, Jungle crickets, Waves, White noise with heartbeat) Choose any combination of lights and sounds Auto-off timer sets for 15, 30, 60 minutes or continuous play Plugs into any standard outlet Volume control