Check out our VIDEO on the left side and take a quick tour of AstroAI tire gauge! Backlit LCD display and Lighted nozzle for visibility in dimly light areas, stocking stuffers for men and womenDesigned to maintain correct tire pressure, reduce tire wear and extend tire life; Digital display reading instantly and clearly being shown, no longer do the guesswork of analog gaugesNozzle easily forms a seal with the valve stem on Schrader valves and Presta stems with valve adaptor if you need, giving quick and accurate readings in 0.1 increments; 4 settings with range: 0-150PSI / 0-10Bar / 0-10Kgf/cm or 0-1000KPASimply press "ON/UNIT/OFF" button to turn on the tool, select the range, and automatically shut off in 30-40 seconds to save the power; Non-slip texture makes it easy to hold onto and the ergonomic design is both suitable for men and women's hands. Gauge automatically resets when taking pressure, no need to calibrate or reset the deviceBattery included; Versatile use for cars, trucks, motocycles, bicycles etcAstroAI tire gauge is made in high quality, if there is any broken during the shipping, or error in function, simply return it. We always wants to provide our customers with excellent products and customer service