High Power and High Lift: Maximum lifting height of 6.56 ft with a 25W high-efficiency motor for energy savings. The lifting height refers to the maximum height the water can rise when the water pipe is connected to the nozzle. Ensure the joint is sealed tightly. Flow Control: Adjustable knob allows control of water flow to achieve desired water pressure. Maximum flow rate: 400 GPH. Dimensions: 2.3 x 2.8 x 3.2 in. Suction Cup and 5.9 Ft Power Cord: Long power cord enables flexible installation. Equipped with 4 strong suction cups at the base to securely attach the pump to the fish tank, suitable for vertical or horizontal placement. Ultra-Quiet Design and 2 Nozzles: Includes two nozzles with diameters of 0.51 in and 0.62 in. High-quality motor ensures quiet operation. Threaded connections provide secure and stable attachment. Impeller shaft made of stainless steel for durability and corrosion resistance. Wide Application: Ideal for water circulation and aeration, enhancing the environment for fish and turtles. Suitable for use in aquariums, fountains, spouts, and hydroponic systems.