Mingdak LED Aquarium Light, Fish Tank Light Extendable Brackets, White Blue LEDs Super bright, energy efficient and long lasting LEDs Brighter than one fluorescent tube fixture Aasy-to-install LED light fixture with adjustable mounting legs which fit your aquarium tank from 20 inches to 27 inches Two lighting modes:White & Blue light on for the daylight and only blue light on for the nightlight Meets most of the basic requirements of a freshwater/saltwater tank for purpose of keeping fish happy Provide the ultimate opportunity to create a realistic underwater home-aquarium environment