NICREW Adjustable Flow Aquarium Air Pump Ultra-Quiet Aerator Pump With Touch Controller Air Pump Accessories, 3 L / Min, 1.7W Specifications? 1.Provides oxygen and water movement, which can improve the efficiency of air transferred into the aquarium and help promote healthier fish and aquatic plant life. 2.It is designed to automatically engage during power outages and can be charged for extended operation using a standard USB car charger. 3.Run virtually silent, freely adjust 3 level volume with the touch power button. 4.The energy-saving mode simulates a low-energy environment, changing the air volume automatically to extend battery life. 5.Suitable for both freshwater and saltwater applications, oxygenating hydroponics, as well as water features indoor and outdoor. Main Features? NICREW Aquarium Air Pump With NICREW touch controller air pump, choosing the correct water aeration equipment has never been easier. It is a low voltage (DC 5V) pump with an internal rechargeable battery that provides up to 16 hours of operation during power outages. It also can be powered by standard USB power banks or car USB chargers to provide even more flexible and longer operation. Besides, the touch screen allows air volume adjustment and mode choosing, which can achieve more operation and bring more convenience. Long service life Easy to use and install Rechargeable and portable USB lithium-ion internal battery Thick walls insulate motor noise General purpose pump uses standard aquarium airline tubing Belt Clip In addition to place the air pump above/beside the fish tank on a panel, also can simply install the air pump by clipping it to your fish tank. Quiet Opeartion The durable rubber feet help absorb vibration and ultimately reduce noise, which can keep from disturbing to your fish. Perform Dual Functions Operating on A/C power under normal conditions, then switch to battery D/C power during outages. Note? 1.Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is /- 1-3cm. 2.The effect of using the product varies from person to person. It is not that the quality of the product is not good. Our products have undergone strict quality assurance. Please rest assured. 3.NICREW always attaches great important to customers and products. FREE SHIPPING IS INCLUDED!