Xcellent Global 18 Inch 27 RGB LED Multi-color Remote Underwater Submersible Aquarium LED Light Air Pump Bubble Light Strip Bar Flood Light Strip & Airstone for Fish Tank LD063S Multi-color Remote Controller offers 16 solid colors and 4 various light modes: Flash, Strobe, Fade, Smooth Great night light for wonderful nocturnal viewing, produces a impressive RGB colors air curtain, adds a whole new decorative dimension to any aquarium The LED light is dimmable under 16 colors modes and the flash frequency is adjustable under color changing modes Self-weighted, quick assemble and install in your aquarium, suitable for fresh and saltwater aquarium Length: 18 inch/ 46cm, vlotage: 110-240V, low voltage output: 12V only, safe and reliable. NOTE: Please remove the insulation sheet on the button cells when using; The remote range up to 3 meters