Zeiger Eco Aquarium Hood Led Lighting Fish Lamp Freshwater Saltwater Decorations Light, White Blue Adjustable 16 inch - 24 inch (5730 LED 11 W) A069 Suitable Tank Length:16"-24" (15-30 gallon tank) 54LEDS: 6xBlue 48xWhite Aquarium LED lighting,The fixture provides a high quality, energy efficient light Use the 8000K white LED during the day and the Actinic Blue 460nm LED during the night. Aquarium lighting, Adjustable metal brackets fit different aquarium sizes. Light Hood: 16 in L x 4.8 in W, Hood w/ Brackets Extend: 24 in L x 4.8 in W.