The Coralife Clip-On Marine LED Light is ideal for use in marine aquariums with sensitive corals and fish up to 20 gallons in size. The super thin, lightweight device boasts 60 high quality white and blue LED lights, as well as blue spectrum to accurately mimic the deep sea atmosphere to create beautiful illuminations with a 3-way soft touch control that offers lighting options of all on, blue on and all off. With full customization, the unit has the ability to change the lights individually, as well as adjust the color intensity in 10% increments. In addition, the unit boasts 8 preset color options and a 3 speed color scroll mode for unique, artistic color combinations. These settings and hues are ideal for improving the growth rate and color of sensitive aquatic plants and providing aquatic animals with a pleasing atmosphere. The Aqueon Clip-On LED Light is suitable for both rimmed and rimless aquariums and uses a versatile mounting screw for fast and easy installation.