Koralia Nano 12V is a low voltage, low power consumption controllable submersible pump ideal for water movement in marine aquariums. The Koralia Nano 12V range is specifically designed for use connected to the Hydor Koralia Wavemaker system.Features:Minimum Flow Rate 100 gph. Maximum Flow Rate 260 gph.Minimum Power Absorbed .6 Watts. Maximum Power Absorbed 3.8 Watts.Unique Patented Magnet + Suction Cup Sup Support system that makes positioning the Koralia easy and safe anywhere in your aquariumAdjustable Flow: Rotate the pump as you prefer thanks to the sphere shaped connection and direct the flow to better suit the aquarium needsGentle or Powerful Flow: Wide and gentle or width concentrator nozzle powerful and directLow Voltage Safety: All models have a super safe rubber cords with waterproof connectors that plug into the Wavemaker control system