The seperate digital controller has a wide range of flow functions and will controll two X-Wave pumps. The controller has a built in moonlight and can be used to control other manufacturers stream pumps.
Xwave Multi-controller is an electronic device to be used with the Xwave Powerhead. It has 5 different modes to create a various wave environment in the ocean for your aquarium. Multi-controller can control up to two Xwave powerhead. It also contains a super-lux LED which works with the build-in timer to simulate the moonlight as the natural environment.