The night light star projector has eight modes of operation that include blue, red, green and flashing mode. It displays an amazing display of moon and stars on the ceiling of the bedroom. It has an optional setting for rotation or no rotation.3 buttons located on the front which labeled A, B and C. A - night light mode, can turn the yellow light on/off, B - cycles through color options, C - turns on/off spin button. To turn it off, Just press one more time. Such as A button is to open night light mode, you can press twice to turn it off. B button is to choose colors light modes.