Neotimely Aquarium Fish Air Pump，Quiet Fish Tank Aerator For aquarium fish tanks, outdoor fishing, power outages and emergency（Two 1m oxygen tubes + 2 check valves + 2 air stones + 1 cable

Purpose – Used to provide oxygen in aquariums, fish tanks and fishing and during power outages.
Automatic Switch of AC/DC – This USB air pump aquarium works with both AC and DC. It can be used as a standard fish tank air pump with the AC power supply plugged in all the time. While when there is a power outage, aquarium air bubbler will switch to the DC power supply automatically, powered by the lithium battery.
Dual Outlet and Flow Control – This aerator for fish tank comes with 2 outlets and a flow control button. The flow rate can be controlled by simply pressing the “+/-“ button.
Lithium Battery – The battery air pump aquarium comes with an in-built rechargeable lithium battery which is USB rechargeable, i.e it can be charged by wall charger, power bank, or laptop - very convenient. The 2600mAh capacity can support the air stone pump to run for 20 hours continuously.
Periodical Operation – The air pump for fish tank is also designed with periodical operation feature to save power consumption – when this is activated, the lithium battery can last for 30 hours. It can even last as long as 40 hours when the fish tank aerator works in “low output” status.
Products Contain – All the accessories needed to run the fish air pump are included in the package: 2 x airline tubing, 2 x air stones, 2 x check valves, 1 x USB.