Autel AULTS501K Premium Kit with MX-Sensor (TS501 s) Kit includes TS501 5 TPMS Sensor 315 MHz 3 TPMS Sensor 433MHz Activates ALL magnetic frequency and tire deflation triggered sensors Reads/ writes sensor ID from vehicle ECU as well as data including sensor ID tire pressure temperature battery condition OE part number relearn information MX sensors built to perform like OE sensor and high-precision air valve to prevent air leakage