Projector which can attach to crib or bedside panel universal attaching system suitable for travel cot or crib it fits a maximum of 38 mm tube diameter it has three different functions the moon button allows 3 different functions if you press it once you get a ceiling projection if you press it twice the toy turns into a atmospheric lamp and if you press the button three times you have a nightlight moon the musical note button allows the toy to play different melodies from a variety of mu