Description HIGH PRECISION: Professionally calibrated tire pressure gauge to always return a 1% reading of your exact tire pressure and with a display resolution of 0.5 psi \/ 0.05 bar. Accurately measures a range of 3,200 psi (0.21 13.78 bar 20 1378 kpa 0.21 14.06 kg \/ cm). Allinone: The backlight LED display features of measurements in psi, kPa, bar, and kg \/ cm includes an inflation gun, mandrel, gauge, hose and purge valve, all in one unit compatible with 1.2 NPT air compressors cm. Premium Construction: Constructed of high quality stainless steel and brass components, heavy duty which provides long lasting performance use for all vehicles, such as car, SUV, truck, motorcycle, bicycle (with Schrader valve), etc. Increased safety: properly inflated tires provide better performance in all weather conditions, reducing the likelihood of punctures, explosions and accidents increase your MPG and save money money on fuel costs and tire wear. Automatic shutdown and backlighting: digital pressure gauge powered by 2 AAA batteries (included) . Automatically turns off after 60 seconds of inactivity. LED light makes visibility at night clear and convenient. Press the left key 34 seconds, the LED light will turn on.