The Red Sea ReefRun Dual DC Pump Controller is a device designed to control and manage the water flow rate in your aquarium system. It is specifically designed to work with Red Sea's ReefWave pumps, which are powerful and efficient DC pumps for saltwater aquariums. The ReefRun Dual DC Pump Controller allows you to program and customize the water flow patterns in your aquarium, providing your marine life with optimal water circulation and a natural environment. With its intuitive user interface and customizable settings, you can easily adjust the flow rate, wave frequency, and wave amplitude to mimic natural ocean currents. This controller has two channels, which means you can connect and control two ReefWave pumps simultaneously. It also features a built-in WiFi connection, allowing you to control your pumps and customize their settings wirelessly from your mobile device using the ReefBeat App. Red Sea ReefRun Dual DC Pump Controller is a powerful and advanced device that can help you create a natural and healthy environment for your marine life in your saltwater aquarium.