Sleek, contemporary design with higher accuracy and easier functionality than conventional gauges. · Easy-to-use and easy-to-read, this deluxe gauge features touch button operation which lights up the extra large LCD digital display or the bright white LED flashlight to illuminate your work area · Air Pressure range from 2 to 99 PSI, accurate to +/- 1 PSI · Multiple units of measurement (PSI, BAR, kPa, Kgmm2) · Built-in Tire Tread Depth Indicator reads depth from 1/32 inches. 4.75" L x 1.75" W