The MaxiTPMS diagnostic & service tool is specially designed to work with ALL known magnetic and frequency triggered tire sensors for all vehicles sold in North America. Compared to other tools, it provides on-screen step by step intuitive instructions that offer users both visual and audible responses to ensure that the TPMS sensors are working properly. Product Features & Functions: Activates magnetic and frequency triggered tire sensors using 125 kHz continuous or modulated wave signals. Receives both 315 MHz and 433.92 MHz signals. Decodes sensor data and provides visual and audible responses to confirm sensors are working properly. Interprets data including sensor ID, tire pressure, temperature,and battery condition. Pre-selection process offers faster activation and diagnostics. Accurate diagnosing result a tool users can trust. 1-year free upgrade on internet via USB port. Easy-to-use with clear easy-to-read LCD display. Capability to print TPMS sensor data via a PC after downloading. Automatic power-off to preserve battery life. Proper LF signal to prevent being fooled by other RF signals. Saves up to 16 TPMS records. Package List: Molded plastic case One USB cable Magnet (for early model TPM sensors) One 9--volt battery User Manual CD software Shipping Weight:1.5kg.