Viair 45043 Automatic Function Portable Compressor 12 VOLT - 150PSI Max Working Pressure, engine must be running during use. 1.80CFM Free Flow @ 0 PSI. Air Hose: 35 feet Reads pressure on the fly with easy-to-use tire inflation gun, and includes an automatic shutoff function that powers down the unit when the compressor is turned on, but not actively filling tires Quick connect inflation hose with tire inflation gun and rubber over mold pressure gauge. Direct heavy-duty dual battery clamps with 40-amp inline fuse Includes deluxe carry bag anti-vibration tray and more