ADVANCED ACCURACY: Professionally calibrated to always return an accurate reading within 1% of the exact pressure of your tire. No more guessing Accurately measures in a range from 3-250 PSI (0.2-17.2 Bar; 0.21-1724 Kpa; 0.2-17.5 kg/cm^2). INCREASED SAFETY: Properly inflated tires provide better performance in all weather conditions, decrease the likelihood of flats, explosions, and crashes; Increase your MPG, save money on fuel/tire wear, and drive safer. ALL-IN-ONE FEATURES: tire pressure gauge Includes an inflator, straight locking chuck, gauge, hose, and bleed valve, all in one unit with function of deflation, inflation, tire pressure check. Compatible with both and NPT air compressors outputs. SUPERIOR CONSTRUCTION: Made with heavy-duty stainless steel and high-quality brass components, our inflator delivers lasting reliability and performance. Its leak-proof lock-on chuck allows the inflator to handle pressure from cars, trucks, motorcycles,SUVs, off-road vehicles, RVs, trailers, and more. BATTERY SAVER: Automatically turns on when pressurized air is detected and turns off after 20 seconds of inactivity.