DUAL STAGE & COOLING SYSTEM Automatic dual stage pump: 1st stage for MAXIMUM SPEED at 350L/min and 2nd stage for MAXIMUM PRESSURE at 70L/min. Patented interior design with unique FACS prevents your Whale Pump from overheating, especially on a hot day at the beach.   PUMP UP TO 2 BOARDS Filling up to 2 paddle boards easily. No hand pumping and no sweat   Open Box / Used RECHARGEABLE AND PORTABLE Features with 6000 Mah Lithium-ion rechargeable battery. When whale pump was fully charged, you can inflate and deflate anywhere.   AUTOMATIC SHUT-OFF It will shut off automatically, when the Board is pumping up to Maximal PSI. Save your time and making your Hands free. let’s pump more easily!   COMPATIBLE NOZZLES Choose a nozzle from our complete provided set to inflate almost any high-pressure inflatable, including Red Paddle, IRocker, ISLE, Bluefin, ROC, Nixy, Fanatic, Atoll, Bote, Body Glove, Peak, Dynamo, Fanatic, Hero, Hydro-Force, Advanced Element, Penguin, Thurso, Blackfin, Focus Hawaii, Sea Lion, Newport Vessels, SUP-YAK, SCOUT And Other Major ISUP Board Brand.