This product is an oxygenator powered by a solar panel and also can be charged by a power adapter with the USB charging cable. It does not require any wire connection, ensuring a quick and easy installation. It helps to increase oxygen levels to fishes when fishing or in fish tanks, aquariums.   Specifications:Solar Panel: 5V / 1.4WCharging Input: DC 5V / 1ABattery: 18650 Li-ion 3.7V 2200mAh Air Pump: 3V / 0.5WMin. Air Flow: 0.3L/minExternal Air Stone Dia.: 5.1mmAir Pipe Outlet Dia.: 4.4mmAir Pipe Length: Approx. Long: 100cm(1pc); Short: 30cmUSB Cable Length: Approx. 100cm Working Power Range: 3.2V-4.2V 90mALow Power Indication Voltage(flash in green): 3.3VFull Power Indication Voltage(red): 4.0VOver Charge Protection Voltage: 4.2VWorking Time: Approx. 20 Hours with fully charged batteryProduct Size: 120x78x40mm/4.72x3.1x1.57in Product Weight: 324g / 11.43oz
 Features:
- No wiring needed, ensuring a quick and easy installation.

- Built-in 3.7V 2200mAh lithium battery, charging via USB interface.
 - Widely used for a variety of ornamental fish, aquarium, company aquarium, etc.

- Folding design to combine solar panel and pump in one, portable and low noise for use.
 - AC/DC oxygen pump, adopt pure copper movement and advanced single-chip intelligent control. - Constant voltage/current charging, over charge and over discharge protection, low battery alarm. - Especially great for power outage emergency, as well as oxygen pump for wild fishing, small amounts of aquatic transport.


Package Inlcuded:1 x Oxygen Pump3 x Air Pipe(2 long and 1 short)2 x Air Stone1 x USB Charging Cable1 x User ManualPackage Inlcuded:1 x Oxygen Pump3 x Air Pipe(2 long and 1 short)2 x Air Stone1 x USB Charging Cable1 x User Manual