Serene stars & moon projectionGlowing nightlight with dimmer controlPlays 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 soundsAuto-off timer sets for 15, 30, 60 minutes or continuous playPlugs into any standard outletVolume controlSize (inches): 7l x 4.25w x 6h; (cm): 18l x 11w x 15h