Our 5 piece dolphin mobile has 5 glowing blue LED's embedded in the beautiful, clear acrylic dolphins. This mobile works great as a night light, and also is wonderful for a child's room or den, or in the hallway to give your home a welcoming glow at night. Uses less than 1w of power. Comes with and extra long 30 ft. "invisible" cord, UL listed transformer, and hook for mounting. On/off switch on the cord. 30,000+ hours of life for these LED's.