The Aquascape Color-Changing Lighting Control Hub is required to run and control Aquascape Color-Changing Lights, allowing you to use the included remote to wirelessly control a wide variety of color options and settings. Each hub can control up to 150-Watts of Aquascape Color-Changing Lights. 12-Volt, weather-proof, quick-connect fittings make installation quick and easy. Use Aquascape Color-Changing and extension cables to connect multiple lights to one control hub. Use multiple hubs to control separate sets of lights simultaneously, further expanding the variety of lighting options. . Required to run and control Aquascape Color-Changing Lights. Wirelessly control a wide array of color options and settings. Remote control included. 12-Volt, weather-proof, quick-connect fittings. Dimensions: 4''L x 4''W x 1.5''H A 12-Volt transformer is required to power the control hub and connected lights.