EUC - used about 4 months. Marineland LED Strip Light. 36 light fixture but mounting adjusts for up to 48 . Has day/night lighting options. The Marineland LED Strip Light, adjustable from 36-48", is illuminated by energy efficient white Daylight LEDs that provide higher output than typical fluorescent bulb lighting, and also include integrated blue Lunar LEDs. These components are housed in a s...