We carry the Kessil A160XE LED Light along with some packages that include products you may need with the A160XE, such as mounts & controllers.The Kessil A160WE Tuna Blue LED Aquarium Light comes with two control knobs. One knob is used to control overall intensity and the other knob the blue/white LED spectrum mix.ALL KESSIL LIGHTS SHIP 2-DAY AIR FOR FREE!Related Categories:Kessil Reef Lights (a la carte)IKessil AP9X Light PackagesIKessil A500X Light PackagesIKessil Tuna Blue A80 Light PackagesIKessil Tuna Blue A360XE Light PackagesIKessil Freshwater LED Aquarium LightsIKessil LED Aquarium Light PartsIKessil LED Refugium Grow Lights.Helpful Articles: Reef Aquarium Lighting Chart (to find the best light for your situation).