The Xtreme Pro repair tool is the best! The Mini Pro 12 volt pump is different from other inflators advertised for general tire inflation. A lot of thought was put into its design to bring you an ideal solution that's compact, rugged, convenient to stow and easy-to-use. Whether you've got minimal space on a motorcycle, or no spare in the trunk, grab the Mini Pro for the road and you'll have a tool that inflates your tires quickly and efficiently without the usual down time and over heating typical of many inflators. An important feature is the 3'+ recoiling air hose featuring a solid brass, Zero Loss inflation valve stem connector that attaches to valve stems without air loss. A unique feature is the fan-cooled motor assembly that is permanently lubricated and maintenance free. An "industry first" feature is the integrated Polarity Protection circuit that protects the inflator from damage if there's a reversed polarity hook up to a battery. The red LED on front of the case illuminates as a warning when a reversed polarity hook-up is detected so you can correct polarity and proceed with inflation. The easy-to-read, precision linear pressure gauge eliminates the need to purchase or carry a separate tire pressure gauge since the Mini Inflator provides professional PSI read-out's. Blue LED backlighting insures the gauge is easy-to-read during low light or nighttime use. The illumination is automatic when the Inflator power cord is plugged in. Lots of Dynaplug info on YouTube.