Hydor Koralia Wavemaker Deluxe Controller, Quad Pump, 12V, DC, LCD Display Great flexibility. Connect up to 4 pumps working independently. Perfect control. LCD monitor visualizes set programs, functioning pumps and speed. 4 preset programs + infinate custom combinations. Night Mode- prgrammed or automatic Night Mode program with photo sensor (optional). Feeding mode. Easy to use fuction allows feeding of fish and invertebrates in reef aquariums.