12V SUP Max 16 PSI Intelligent Inflatable Pump Electric Air Pump Dual Stage For Outdoor Paddle Board Features: 1.1st stage max speed 350L/min; 2nd stage max speed 70L/min, Pressure setting increments 0.5 PSI and support up to 16PSI. Real time pressure monitoring and auto stop once selected pressure reached; High efficient dual air inflators controlled by digital pressure controller module; Supported working range 0.5 - 16 PSI ; accurateness 0.01 PSI. 2.Built-in sand filter for air intake & pump cooling system; Built-in outtake chamber for noise reduce and better efficiency. One-way diaphragm valve to protect the inflator and maximize the speed. Designed for inflatable boat, SUP and paddle board; About 10 minutes to inflate a 12ft SUP or a 9ft inflatable boat (3.5 PSI) with air mat floor (12 PSI) fast and easy. 3.Easy carry handle. 360 degree free turning main air hose connector provides flexible pumping positions. Screw-in style adapters provide perfect air tight. 4.The pump’s 12V DC connector has a built-in 12A fuse.