With the Flextail Max Boat Pump, you can easily inflate and deflate kayaks, tubes, camp mattresses, or some other large inflatables, all with the push of a button. Its compact and contoured design fits easily in one hand.With its ultra-high-speed motor, the Max Boat Pump can easily reach 142L/min airflow and up to 12kPa / 1.7PSI high pressure. Measures 2.7 x 3.7 x 5.1 inches in size and weighing only 16 oz (455g). Will inflate most inflatable kayaks in under 3 minutes.