Mamma Lullaby Night Light is a popular musical cot toy projecting soft, coloured lights to the rhythm of sweet classical or modern melodies and relaxing nature sounds.The Mamma Lullaby Night Light features - * no need for batteries* soft coloured lights display* 3 classical melodies* 3 modern melodies* nature sounds* sound sensor for automatic activation if baby cries* mum or dad can record their own message or lullaby* control panel with 'sound detector' function and volume control* adjustable straps attach easily to baby's cotSuitable from birthNo batteries required