Submersible water pump for aquarium, fountain, pond, etc.Flow can be adjusted with a knob at the pump inletBe used with 4 suction cups on the bottom and only in waterFlow adjustable water pump is designed for fully retractable both freshwater and saltwater. This pump generates water flow and vented your aquarium in a natural sea/ river simulate. Features: input voltage: AC 220-240V power: 15W frequency: 50 Hz flow rate: max. 800L/ H (176GPH) max. H: 1.6 meterPlug: EU plug Outlet diameter: approx. 10 mm Cable Length: approx. 73 inch Material: plastic Color: Black package: 1 x water pump Note:Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/-1-3cm.