T Tocas(tm) 18 LED RGB Remote Control Color Underwater Aquarium Fish Tank Light Bar Air Bubble Lamp -18 Inch Multi-color Remote Controller offers 16 colors and various light modes: Static/Flash/Strobe/Fade-change/RGB Smooth-change Use low voltage dc 12 v working voltage, safe and won't cause any harm to people or fish. Great night light for wonderful nocturnal viewing 18 LED ,46cm,110V US PLUG/5.2W It must be fully submersed and air pump is not included(need 3-4.5w air pump)