The Driftsun Bravo BTP12 is a super efficient lightweight dual stage stage high pressure piston pump that will inflate from 1 to 15 PSI in approximately 4-6 minutes. Switch the pump to deflate and it has the capability completely deflate your board in 2-3 minutes. Simply connect the alligator clips to a battery, set the dial to your desired pressure setting, press the "on" button and this workhorse will do the rest. Specifications:  Dimensions: 8" x 4" x 5" Maximum Absorption: 20 Amps Air Flow : 160 l/min 450 l/min Max Pressure: 15 PSI (1 Bar) Can inflate and deflate quickly Fitted with an aspiration air filter that is easily accessible for cleaning and replacement. Pump automatically stops when desired pressure is reached. This unit utilizes a 12V battery for portability. It does not connect to AC wall outlets or car cigarette adapters. Can be fitted with a Turbo Pump Lead Battery for cordless use (not included). Excellent for use with bigger kayak / boat hulls, drop-stitch SUPs, Included:  8'6" battery cable w/alligator clips 6' inflation hose 7 common valve adapter fittings 2 needle nose valve fittings High pressure halkey roberts (iSUP) valve adaptor Convenient carry case