【High performance and high stroke】Maximum lifting height of 6.56 feet and 25W high efficiency motor for energy saving. The lifting height is the maximum height the water can rise after connecting the water pipe to the nozzle (make sure the connection is safe and tightly sealed) 【water flow control】: An adjustable knob to control the water flow so you get exactly the water pressure you want. Maximum flow: 400 gph. Dimensions: 2.3*2.8*3.2 inches. 【suction cup and 5.9 foot long power cord】: long enough to make installation easy. 4 strong suction cups on the bottom of the fountain pump keep it in place, allowing you to install it either vertically or horizontally on the right side of the aquarium. 【Extremely quiet design and 2 nozzles】Comes with 0.51" and 0.62" nozzles and high quality motor ensures a quiet environment. Screw connections make it more stable. The wheel shaft is made of stainless steel for long life and corrosion resistance 【Wide application】: Circulate and aerate the