???????IMPROVE WATER ENVIRONMENT???: Just need to put the water pump into water container, the water will start flowing and provides the living water for underwater creatures. ???????SMALL & STABLE???: The two suction cups on the side of water pump can be installed vertically or horizontally. The water pump is not only easy to hide/disguise but also convenient to use. ???????INCREASE & DEVELOP NITRIFYING BACTERIA???: The water pump can slightly increase the dissolved oxygen in the water and cultivate nitrifying bacteria which is benefit for keeping water clean. ???????CONVENIENT USB PLUG???: No more traditional plug but the USB plug. No more blackout for the electricity unexpectedly went off. You can always charge your water pump with the power bank. ???????QUIET OPERATION???: The water pump is running quietly. It could perfectly suirbale for small & medium size aquarium, tabletop fountains, water gardens and hydroponic.