ALLYLANG pond cover pump is very essential for water drainage! This submersible pool pump is easy to set up and drain away the accumulated water. With efficient drainage power, it is very practical for both in-ground and above ground pools, swimming pool cover, hot tub, pond, basement, etc. It is also can be used in aquariums/fish tanks, hydroponics, fountains/rockeries/garden irrigation, etc. The 25ft power cord increases the distance between the socket and the water to prevent electric shock, very convenient for use. The technical specifications: maximum flow rate: 850GPH, power cord length: 25FT, maximum height: 10.5 FT, approximate weight: 2 Lb