This air pump hooks up to most aquariums by utilizing the metal clip found underneath. It can also be normally placed on a flat surface. Furthermore, this pump operates at 2.5 Watts, produces between 40 to 43 dB of sound,and pumps at 0.4 Gallons per Minute

• CONVENIENT: The Cascade Air Charger I hooks up to most aquariums by utilizing the metal clip found underneath. It can also be normally placed on a flat surface. Furthermore, this pump operates at 2.5 Watts, produces between 40 to 43 dB of sound, and pumps at 0.4 Gallons per Minute (G/Min).
• GREAT FOR EMERGENCIES & POWER OUTAGES: Not only is the air pump USB Rechargeable, it also keeps your tanks water safely oxygenated in the event of a power outage in your home. It features a LED Battery Power Display: 4 lights means fully charged and ready to use, up to 13 hours on Constant Air mode, or 26 hours on Interval mode.