Amzdeal&reg; Safety 12V Underwater Submersible Air Bubble RGB LED Lights Strip For Fish Tank Aquarium,Underwater Aquarium LED Light Bar Flood Light Strip & Airstone for Fish Tank (RGB) Adds a whole new decorative dimension to any aquarium Great night light for wonderful nocturnal viewing Produces a impressive RGB colors air curtain All RGB colors fade out & fade in every 2-4 seconds, very slow and smooth color changing Utilizes low wattage LED lamps, comes with a low voltage transformer. Self-weighted, easy to assemble and install