Marineland Advanced LED Strip Lights provide the ultimate opportunity to create a realistic underwater home-aquarium environment. This all-new line of LED lights is 20% brighter and is designed for reliable, long-term performance. Adjustable mounting legs allow for flexibility in fitting aquarium widths of 18-24 inches and an integrated timer provides maximum control. Daylight LED lamps provides brighter output than two typical fluorescent bulbs and lunar LED lamps replicate the moon-light cycle. Both setting are energy efficient; providing up to $50 in annual savings* and up to 5 years of use**. Advanced LED Strip Lights are ideal for freshwater or saltwater aquariums and low intensity plants.