Dynaplug Ultra Compact 12 Volt Tire Inflator - Micro Pro Model OVERVIEW: Reviewed in RIDER MAGAZINE. Designed and engineered by Dynaplug, small/robust package delivers efficient, reliable performance to quickly and easily inflate tires when you're on the go. FEATURES: Most compact 12-volt system packaged in an ABS case; polyurethane air hose with zero-loss valve stem connector; real-time pressure measurement. 100PSI, 12-14.8VDC, 4.5AMP @ 40psi. INCLUDED IN THIS DEAL: Inflator, coiled air hose, 4-power cords, zippered case, pencil gauge (reads in PSI and BAR). HOW IT WORKS: Power from accessory outlet or by direct battery connection. While inflating tire, firmly place pencil gauge on valve stem allowing white pencil gauge tab to slide out and reveal the pressure. Dual CIG/BMW-style plug to SAE gives more versatility for motorcycle owners. COMPANY INFO: Dynaplug is based in Chico, CA, and manufactures a line of tire puncture repair tools all made in the USA.