Be confident in your purchase we're an Authorized Reef Brite Dealer. How cool is that?!?!? The Reef Brite Bluetooth LE Controller Plus w/ 250W Power Supply allows complete control of XHO, LumiLite Pro, and LumiLite units. Easy to install, simple to use, the Reef Brite Bluetooth LE Controller has a built in battery and non volatile internal memory so you never have to worry about losing your light settings or reprogramming in the event of power interruptions. Available in standard*, and Controller Plus. *Standard version can be used with your existing Reef Brite power supply that came with your light. Depending on the number of units you want to control, a larger power supply (Sold separately) may be required. Controller Plus version includes upgraded 250 watt power supply. Compatible with Apple or Android devices. The Reef Brite App is available free on Apple or Google Play.