Create the ultimate moonlight effect with Lunar Light. Research studies have shown that using rhythmic moon luminance is very helpful in spawning captive animals. Add it to your existing hood or canopy for a complete 24-hour lighting solution. For optimum coverage, add Lunar Links (sold separately) every 2 feet inside your canopy. The Nocturnal Blue light casts a mysterious nighttime glow over your tank creating a viewable nocturnal environment while providing all the benefits of a Lunar Light. APPLICATIONS - Nocturnal Blue is ideal for use in all freshwater, saltwater and reef tanks by creating a mysterious nighttime glow for nocturnal viewing. This is also great for terrarium use. INSTALLATION Easy to install - just plug into a grounded power outlet and plug Lunar Link into the receptacle. Then, simply attach the Lunar Link to your aquarium canopy or internal refl ector using the supplied mounting screw. 1-Module w/2 LED & 6' Detachable Power Adapter 1.5" x 1.5" x 1"