British regulatory plugThis is a wonderful gift - particularly for children - have a sweet dream.12 leds eight different lighting effects. The lighting effects of the number of each press after the intermediate function keys: 1: red， blue and green. 2: the slow pace of change; 3: the fast pace of change; 4: fast-paced flashing stage lighting effect; 5: the red sea; 6: blue ocean; 7: the sea of green; 8: double color lighting; 9: turn it off. Open (or auto sleep function. An hour later， the automatic)There is also a small mini built-in stereo speakers， can enjoy the beautiful environment， but also can enjoy the wonderful music. (connect your MP3 player， iPod， or similar device). It will take you to sleep lightly.