<b>WATER FLOW CONTROL</b> <br>An Adjustable Knob to control the water flow rate, so you can get just the amount of water pressure you want. <br>Maximum flow rate: 80GPH. <br>Max Lift Height: 23 3/5inch. <br>4W high efficiency motor for energy saving. Lift height is a max height the water goes up, after connecting the water pipe to the nozzle (Make sure the joint sealed securely and tightly) <b>COME with 2 NOZZLES 1/3 inch (8.5mm) and 1/2 inch (13mm). </b> <br>Threaded fittings make it more stable. <br>The impeller shaft is stainless steel for long life span and corrosion resistance <b>SUCTION CUP and 6ft POWER CORD. </b> <br>Long enough cord for easy installation. <br>4 strong suction cups at the bottom of the pump help keep it in place, so you can stick it on the right side of the aquarium, either vertically or horizontally <b>WIDE APPLICATION. </b> <br>Circulate and aerate the water, making it more attractive to your fish or turtles. <br>This submersible pump is perfect for aquarium, fountains, spout and hydroponic systems, etc. <br>