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 0-250 PSI (0-17.2 Bar; 0-1724 Kpa; 0-17.5 kg/cm^2). Stocking Stuffers for Men..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: AstroAI 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 ¼” and ½” 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.