STEELMAN PRO 78829 Bluetooth Tire Pressure and Tread Depth Gauge PRESSURE AND TREAD READINGS - Read tire pressure and tread depth with a single Bluetooth connectable tool LED DISPLAY - 1-inch backlit LED display with easy to read measurements in both standard / SAE and metric increments READING RANGE - Reads tread depth from 0 to 24/32-inch (0-19mm) and pressure from 3 to 150 +/-1 PSI (also can display in KPA, Kg/cm2, BAR) FREE APP - Free downloadable app can find default pressures by scanning VIN placard or entering make/model info SAVE PROFILES - Vehicle profiles and readings can be stored to the device and exported to a database for later access BUILT-IN FLASHLIGHT - Integrated LED flashlight helps illuminate recessed valve stems LONG RUN TIME - Long lasting runtime from 2 CR2032 alkaline batteries