The Performance Tool HD Digital Tire Inflator Kit, No. M526, features a professionally calibrated digital pressure gauge for accurate readings between 0 to 150 psi with resolution of 0.1 psi within ±1 percent and pressure monitoring system. It has a large backlit LCD gauge that is easy to read and will automatically shut off after 20 seconds of inactivity to preserve battery life. The kit includes an inflation gun, digital gauge, 20" by 1/4" rubber lead hose, heavy brass air chucks (clip-on, screw-on, right angle, and presta valve), four rubber valve seals, and two AAA batteries.