WI-FI OBD AUTO CHECKER is able to detect and interpret these protocols automatically. It also provides support for high speed communications and a low power sleep mode. It use AT commands to communicate with a host device (PC, notebook, iPhone, iPod touch, iPad and so on). There are plenty of software packages available, which are fully compatible with WI-FI OBD AUTO CHECKER. You can even write your own software on a specified hardware platform, the AT commands are fully documented and explained. it comes attached with a 6 ft OBDII cable for easy installation. It also comes included with a power switch built-in to prevent the need for having to constantly disconnect your unit from the OBDII port. It is compatible with 1996 and later vehicle's. Connecting to your iPhone / iPod touch /iPad is made by WIFI connection in adHoc mode.