VIAIR 400P-Automatic Function Portable Compressor
The 400P Automatic is VIAIR's first        Automatic shutoff function portable compressor. Powered by an easy-to-establish        temporary connection to a 12-volt battery power source, this 33% duty cycle        unit is capable of pressures up to 150 PSI and can be operated for up to        40 minutes at a time before needing to be rested. The 400P Automatic comes        with a range of accessories stowable in its soft carry case, including a        convenient close-ended gas station-style air gun..caption { font-family: Verdana, Helvetica neue, Arial, serif; font-size: 10px; font-weight: bold; font-style: italic; }  ul.indent { list-style: inside disc; text-indent: -15px; }  table.callout { font-family: verdana; font-size: 11px; line-height: 1. 3em; }  td.vgoverview { height: 125px; background: #9DC4D8 url(http://images.amazon.com/images/G/01/electronics/detail-page/callout-bg.png) repeat-x; border-left: 1px solid #999999; border-right: 1px solid #999999; padding-left: 20px; padding-right: 20px; padding-bottom: 10px; width: 250px; font-family: verdana; font-size: 12px; }Portable Automatic Compression up to 150 PSIThe VIAIR 400P-Automatic Portable Compressor offers inflation of up to 35-inch        tires, and operation at up to 150 PSI for up to 15 continuous minutes at        a time, providing that there are 30 minutes provided afterwards for the        unit to cool sufficiently. More than just a compressor, the 400P is a complete        portable compression system, coming complete with an inflation gun with        200 PSI air pressure gauge, a 25' extension hose with quick connect coupler        and lever chuck, a heavy duty sand tray with vibration isolators, a 8' power        cable, a heavy duty sand tray with vibration isolators, a 3-piece inflation        tips kit, an inline fuse holder, a deluxe zippered carry bag and dual heavy        duty direct battery clamps. The convenient battery clamps allow you to quickly        utilize any 12-volt power source, including your own vehicle's battery,        to address your air compression needs in seconds.