LYL Bluetooth Wireless OBD2 scan tool - For check engine light & diagnostics - Designed for Android torque and Dashcommand Support all OBDII Protocls. Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database). Clear trouble codes and turn off the MIL ("Check Engine" light) Work with Android device. The Bluetooth Pin is 1234 Connects to your Android phone or Windows laptop by using an app or computer program which is purchased seperately, many are free and some cost from $1 - $50 depending on your needs!Recommend APP: DashCommand Works on all 1996 and newer cars and light trucks sold in the United States, some 1994 and 1995 models are also ok.