1,auto dimmalbe led aquarium light with cree chip 2, simulate sunrsie, sunset and moonlighting 3, 1 ... , 3w CREE-XPE & CREE-XPG Leds, best for SPS & LPS corals4, Wireless controller. white and blue can be work seprately. ... slip from cleaning actionStrong magnets for vary glass thicknessSpecifications Size:150x150x42mmSuitable: 8 mm thickness glass Professional Supplier of LED Aquarium Light