AULLY PARK Tire Inflator with Digital Tire Pressure Gauge 0-150 PSI, Flexible Rubber Hose, Straight Lock-On Air Chuck Inflation Gun, Air Pressure Gauge, Rubber Hose, Air Chuck, and LCD Backlit Screen are all combined in one Easy-to-Use unit, just connect it to your air pump or compressor and inflate tires 4 Kinds of Measurement Range: 0 ~ 150 PSI, 0 ~ 10 Bar, 0 ~ 10 Kg/cm&sup2;, 0 ~ 1000 kpa. Measuring Accuracy: &plusmn;1% (Relative Humidity Temperature 25&#176;C) Power Source: 2 LR03 AAA 1.5V required (included). Last up to 2 year Replaceable Straight Lock-On Air Chuck (Socket style gas interface). An Industrial 1/4" Type D Plug is included Metal Integrated Closed Design: Avoid any leaking during inflating, make the measuring last longer and be more accurate