Features and Benefits:Hands Free Auto-inflatorConverts up to 6 TiresRechargable Battery with IndicatorConvenient Parts TrayDurable All Steel ConstructionMax Inflation Pressure 145 psiThe 130 is perfect if you need flexibility with automotive, light truck, or commercial nitrogen inflation. It allows you to connect to a generator or to use the cylinder configuration to deliver pure nitrogen with easy mobility. It�s fully automatic and comes standard with four hoses with clip chucks, though there are six conversion ports capable of handling duallies or spares. The unit can operate all day on battery power, or it can be plugged into a 110v outlet. With features like full programmability, a top-off function, and a pressure range up to 145 psi, the model 130 will make your nitrogen service simple, fast, and economical.