SpecificationModel: KK-101Material: ABSColor: WhiteRated Power: 3wUse Voltage: dc 3.6-5VRated flow: 1.5L/MINRated pressure: 18KPaOutlet size: φ4.5mmSuitable for water depth: 0.5mDimensions: φ78x35mmCable length: 0.5m Featuresв—Џ Indoor aquarium oxygen supply, quiet use, long lifeв—Џ One machine for dual use, perfect for indoor and outdoor useв—Џ USB power supply, energy and electricity saving, safe and convenientв—Џ Also used for outdoor fishing, adopt charging treasure power supply, long-term oxygen supply Package included1 X Air Stone Pump(power bank not included)1 X Usb Cable1 X 1m Air pipe1 X Stone Notice- Please allow slight dimension difference due to manual measurement.- Please consider the actual sizes in the listing as the pictures are generally enlarged to show detail.- Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully.- Due to the light and screen difference, the item's color may be slightly different from the pictures. Thanks for your understanding.