SODIAL ELM327 Latest Version V2.1 Bluetooth Super Mini ELM327 OBD2 II Scan Tool Car Auto Diagnostic Tool for Windows (blue) Can also be used with a PC with a Bluetooth Card.Bluetooth connection, no Batteries, Cables, or Switches.Wireless (Bluetooth) 5~ 10 meters.Clear trouble codes and turn off the MIL ("Check Engine" light).Set the maximum number of responses to obtain. Lateat software version V2.1 supports almost all OBD-II protocols(only V1.5 supports SAE J1850).For your vehicle to be OBD II compliant it must have a 16-pin DLC (Data Link Connector) under the dash and the Vehicle Emission Control Information Label must state that the vehicle is OBD II compliant. Retrieve Fault Codes (DTCs) and clear Check Engine lights.Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database). Please note: 1) It only works with car (does not support truck). 2)It only works with Android 4.0-Android 4.3 version. 3)Please connect the item to your phone through bluetooth OBD II option. 4) If the driver CD was broken, please contact us and we will provide a download link or send the software to you through Email, Thanks! Remove spaces from ECU responses (to speed data transmission).Store a unique identifier in EEPROM.Set the CAN mask and filter with one command.Easily switch between variable and fixed CAN message lengths.