NoticeVery important:Please accurately confirm that your car is not using the J1850 VPW and J1850 PWM communication protocol protocol before you buy it.This product is V2.1 Elm327,it can not support J1850 VPW and J1850 PWM communication protocol. But some cars of manufacturing use the J1850 VPW and J1850 PWM, so it can not work well with them.You can download the Information form this link:http://www.360diag.net/plus/view.php?aid=80Note: Please download software from this website: http://www.elm327.com/soft/1. 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 OBDII compliant.2. Compatible with IOS system (iPhone, iPad, iPod Touch), work with IOS and Android device or Window system.3. Please turn on your car when connecting, or the App cannot connect successfully. We offer here new mini OBD2 (vehicle diagnosis) with particularly small compact tool and cool Design. There he can then simply remain and be controlled and read out via Bluetooth. You get all the data on your smartphone, tablet or computer. It is easily to plug in your car's OBDII port, reads data sent by car's on-board diagnostic system, detects troubles of ECU and gives you the solution to fix it without having to take your car to the shop every time.It can read error codes and delete them (depending on the model). Also included is a database of over 3000 meanings of the error codes. In addition, the MIL ("Check Engine" and "Light") can be deactivated.