【Ultra Quiet Design】: The relible and duarable motor does not produce much noise, even in the bedroom aquarium water pump can also provide you with a quiet environment. 【EASY TO USE】: No need any tools to detach it, easy to seperate, easy to clean, And simply plug in power for quick water draining.This submersible pump is designed for small to medium size aquarium, Fish tank, Pond, tabletop fountains, water gardens and hydroponic systems. 【Water Flow Control With 2 Nozzles】Fountain pump Designed with a adjusting knob, allowing to adjust the water flow rate, the maximal flow rate can be up to 350L/H. It can elevate column of water up to 0.7M. 2 Nozzles of 8mm-13mm for your options, providing different water flow effects. 【Mini Size】: This powerful yet small-sized water pump is easy to hide and disguise; Dimensions:48.5 x 48 x 35 mm; 3 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. 【GUARANTEE】: Dtopsun submersible pump guarantee defect free/ damaged & come with 18 Months warranty. If during the delivery of the product, may be crushed and damaged, please feel free to contact us and we will provide you with the most satisfactory solution.