Jebao/Jecod CP Series Cross Flow Pump Wavemaker with Controller Crossflow technology make the flow return to pump directly 360 degree without dead spots Create different type of the flow similar as natural wave; evenly distributed flow rate throughout the entire aquarium Unique control system allows to wave off different types and multiple function Dimension: 10.5" X 2.5" X 1.75", 100V240v 50/60hz DC 2.7A 25w , 3prong us plug