Aqueon OptiBright LED Light Fixture - 48-54 inchLED OptiBright Lights The slim, low profile OptiBright LED fixture features built in LED lighting ideal for freshwater or marine aquariums with low to medium light level corals. Two individual touch controls provide the option to have the white red LEDs on during the day and the blue moon glow LEDs at night. The fixture also includes adjustable legs that can be extended to accommodate multiple aquarium lengths.