MarineLand Energy Efficient LED Strip Light, Adjustable Mounting Legs Brighter than one fluorescent tube fixture Energy efficient for up to $25 in annual savings* and up to 5 year lifetime** Daylight LED lamps provide brighter output than typical single fluorescent bulb Lunar LED Lamps provide energy efficient light that replicates the moon light cycle Adjustable mounting legs for flexibility in 18-24 aquarium widths