{Rechargeable and long lasting} Charging time: 3 hours, duration: 45-50 minutes. It is convenient for you to take this electric air pump to the beach. Please do not use it continuously for more than 20 minutes. {Inflate and deflate, easy to use}: Two connections for inflation and deflation were developed according to your needs. Please press the on/off button to make the valve start or stop. {3 different air nozzles}: L size for mattresses to inflate the pool inflatable boat; Size M for inflating small bed, pool inflatable seat; Size S for inflating small toys or inflatable swim rings. {High demand}: This power pump is ideal for inflatable bed, inflatable boat, inflatable swimming pool, inflatable sofa, inflatable bath, the swim ring, the compression bag and the inflatable toy, etc. But be careful not to use this product for balloons.