Autel MaxiTPMS TS301 Diagnostic and Service Tool for Tire Pressure Monitoring Systems Provides easy, accurate and affordable way to tap into real-time tire-pressure monitoring systems (TPMS) via wireless tool using 125 kHz continuous or modulated wave signals Pre-selection process offers faster activation and diagnostics of data including sensor ID, tire pressure, temperature, battery condition and OE part number 1-year free Internet software upgrade via the USB port Capability to save up to 16 TPMS data records and print data via from PC after downloading via USB cable Easy-to-use and long-lived tool features clear, easy-to-read LCD display and automatic power-off to preserve battery life, as well as a hard case for unit protection