Rechargeable Air Pump\r\nhygger AC air pump has a built-in 2800mAH rechargeable lithium battery, which provides up to 23 hours of working time in normal mode and up to 24 hours of working time in intermittent mode. It is the rechargeable pump for fish tanks, outdoor fishing, transporting fish, moving, traveling, bait cooling, transporting bait or minnows, and power outages.\r\nIt can be used as a standard air pump, always plugged into AC power when there is a power outage the pump switches to DC power, and is powered by a lithium battery.\r\nMulti-function and Simple Operation\r\nThe four power lights indicate the current air pump charging status. Continuous and intermittent modes can be easily switched by pressing the [M] button. If the intermittent indicator light flashes, the air pump is in intermittent mode, and if it stays on, it continues working mode. You can press the +/- button to control the airflow rate.\r\nThe multiple oxygenation modes make the rechargeable air pump meet the daily needs of the aquariums. It is also an emergency air pump.\r\nPowerful Air Volume\r\nThe AC/DC air pump can generate large amounts of aeration for tanks up to 200 gallons, saving the lives of fish & aquarium pets. In continuous mode, the maximum air flow output can reach 22.5L/min and the air pressure can be 0.025Mpa when continuously generating bubbles. Intermittent mode works for 10 seconds and then pauses for 10 seconds, which saves energy and extends the use time of the pump.\r\nUltra-quiet Air Pump\r\nThe ABS thickened body material and four rubber feet added at the bottom can reduce the vibration and noise of the AC/DC air pump. hygger aquarium air pump operates with 30db noiseless working sound. Give you and your pets a sweet sleep.\r\nCompact and Portable\r\nThe hygger AC air pump is easy to carry. You can use a USB or Android phone data cable to charge the pump. The convenient air pump can be used with any electric energy. The metal clip can be easily attached to the fish tank or bucket. All the accessories help to build a complete air pump setup in fish tanks.\r\nDirections for Use\r\nUse Tips\r\nThe air pump can start when power is off, making aquarists not troubled by power outages.\r\nNormal Mode:1.5W work 20 hours3W works 23 hours4W work 23 hours\r\nIntermittent Mode:1.5W work 28 hours3W works 25 hours4W work 25 hours” }