The forth generation of OR LED Bars come with intelligent connectivity (iCon technology) that allows you to program, control, monitor and dim your OR4 Reef Aquarium LED Bars and integrate them with all other Orphek iCon LED solutions! Make your aquarium lighting dreams come true ...The forth generation of OR LED Bars come with intelligent connectivity (iCon technology) that allows you to program, control, monitor and dim your OR4 Reef Aquarium LED Bars and integrate them with all other Orphek iCon LED solutions! Make your aquarium lighting dreams come true! (Optimal Spectrum): Featuring a carefully tuned spectrum in the 380–500nm range (UV/violet/blue), it brings out intense coral coloration and pop, perfect for SPS and LPS corals.