EPAuto 255 PSI Digital Tire Inflator Gauge with Hose and Quick Connect Plug MEASURE Range: 0 ~ 255 PSI, 0 ~ 18 Bar, 0 ~ 18 Kg/cm2, 0 ~ 1800 kpa ACCURACY: 0.1%, Auto shut off in 15 seconds. Power: 2 LR03 AAA 1.5V required. (included) Straight Lock-On Air Chuck. An Industrial Type D Plug is included. Commercial Grade Heavy Duty Steel Construction. An air pump/compressor is required to inflate tires.