Luison's luminous face reassures Bé at bedtime and the light intensity varies with the rhythm of the melodies which soothes Bé. A large Music button to play pretty lullabies and a Nature Sounds button. Adjustable timer to set 15 or 30 minutes of continuous music with or without light. 40 tunes and 2 songs. Machine washable headstock, removable electronic module. Adjustable sound and light intensity. 2 AA/LR06 batteries included.