Carefree Fish Aquarium AC/DC 2 Outlets Supper Power Air Pump Rechargeable Bubbles Aerator Super Silent USB Bubbler Up to 100 Hours of Continuous Operation Connection

?2 outlets,5W,18Kpa,2.5L/Min*2,12V low voltage, super power saving, can be connected to the USE of USB cable, in the case of power failure, it can continue to work for 50 hours, choose the intermittent mode, it can continue to work for 100 hours, it can also be connected to the use of charging treasure, can ensure that the fish in the case of power failure still have enough oxygen, can also become your outdoor fishing good helper. ?25dB Quiet presence, Soft rubber shock absorption, pointed foot sound insulation,A thick, soft pad is placed under the air pump and it works almost noiselessly ?With strong power, four of Carefree Fish 2In HT50 nano air stone dsic or six NM170 nano air stone strips can be used at the same time. If the air output of the nano air stone is not uniform, please soak the air stone in water for 24 hours before use. In this case, there is no problem with the air stone or insufficient air pump power. ?Touch screen control of alltempered glass.The tempered glass touch screen is easy to use with the first long press open, Switch between continuous mode and gap mode with a single short click, and the long press close, but please note that the air pump is not waterproof ?The air pump must be placed above the aquarium,if it is lower than the aquarium,a check valve must be intalled.Equipped with a special device, the use of direct current will not affect the life of the lithium battery.