Xcellent Global Multi-color Remote 12 Inch 18 RGB LED 16 Color Underwater Submersible Aquarium LED Light Air Pump Bubble Light Strip & Airstone for Aquarium Fish Tank Flood Lights with US Plug LD074S Colour changing LED bar make your fish tank very beautiful,and see your fish swimming happlily .Safe and reliable. Low voltage output(12V only),safe to use Come with a 24Key remote controller. The controller include offers 16 colors/ fading/ dimming,etc.,which creat a beautiful effect in the aquarium 31 CM/12inch Length, 18 LED. Color of the light: RGB (16 colors plus 4 various fading effects: Flash, Strobe, Fade, Smooth) Notes: Please remove the insulation sheet on the button cells. Package Include: 1 x LED Bubble Light ,1 x key remote,1 x Adapter with US plug,1 x Air Tube ,1 x receiver 1 x English Manual