iTavah Digital Tire Pressure Gauge, Integrated Closed, Clip-On Air Chuck, LCD Backlit Screen, Digital Tire Inflator with hose (Red) Four Kinds of Measurement Range: 0 ~ 150 PSI, 0 ~ 10 Bar, 0 ~ 10 Kg/cm2, 0 ~ 1000 kpa. Measuring Accuracy: 1% (Relative Humidity Temperature 25C) POWER SOURCE: 2 LR03 AAA 1.5V required (included). Last up to 2 year. METAL INTEGRATED CLOSED(one-piece closure design): The dial and gun are designed of one-piece closure. This adequate closure will avoid any leaking. And the pressure measuring can last longer and be more accurate. STRAIGHT LOCK-ON AIR CHUCK(Socket-style gas interface): Made of pure alloy and thickening design; high durability and convenient use. Valve core controller: easy to deflate; tighten the valve core can avoid the tire leaking. LCD BACKLIT DIGITAL SCREEN: LCD blue backlight digital display, simple to read and use no matter at day or night.