Digital Tire Pressure Gauge Inflator / Deflator Large LCD Screen with Backlight and Digital Read Out. Easy to Use Function Keys. Accuracy of +/-1%. Displays PSI, BAR, KPA or KG Units. Measures Increments of .5 PSI. Two Lever Positions: one to inflate and one to deflate. 59" Rubber Hose. 1 Year Warranty. Uses 2 x CR2032 batteries (included). Easy Removal. Works on Nitrogen Systems. 1/4 BSP Female Air Supply Connection.