Flow adjustable water pump, fully submersible for both fresh and salt water. This pump aerates your aquarium to create a flow of water and simulate the natural sea/river environment. The pump must have accessories for your aquarium, fountain, etc. Description: Submersible water pump for aquariums, fountains, fish ponds etc. Flow rate can be adjusted by a knob in front of the pump 2 suction cups only used with water at the bottom of the suction cup Specifications: Input Voltage: DC 3.5V-9V Power: 3W Flow Rate: Max. 200L/H(44GPH) Hmax:15.7 to 78.7 inches / 0.4 to 2 meters Outlet Diameter: Approx. 8mm Dimensions (LxWxH): Approx. 1.4 x 1.5 x 1 inch USB cable length: approx. 55.5" Material: Plastic Color: Black Package Includes: 1 x Water Pump