$25 Description from Amazon:

520GPH Aquarium dc return pump with 8 speed adjustablecontroller and with feeding function.

Specs:520GPH Max flow,Head max up to 7.22ft,20W,can be used as submersible and inline /external pump, suitable as pond pump ,fountain pump ,hydroponics pump and fish tank pump

20W power consumption,small size water pump but very powerful,

DC 24V power supply, safety and durable and ultra quiet operation

Fe2Q3 magnet rotor and wear-resistant anti-corrosin ceramic shaft, longer life, more efficient,auto shut off when No water;