Get accurate readings the first time with the Black Bull Digital Tire Inflator Pressure Gauge. Calibrated to return ultra-accurate readings within a one percent degree of accuracy. The large backlit LCD display has large easy to read numbers, and shows units in PSI, BAR, KPA and KG/CM2 for accurate testing, inflating, and deflating tires. The 12 inch rubber hose length connects to both 1/4 and 1/2 inch NPT fittings and a 1/4 inch air inlet.Easy to read backlit LCD screen with large number displayUltra-accurate readings, calibrated to return a reading within 1% of exact pressure of your tireFor testing, inflating or deflating tiresDisplay units in PSI, BAR, KPA, and KG/CM2Display times off in 20 second to preserve battery life, backlit for 15 secondsRuns on two AAA batteries, included