Auto diagnostic tool for IOS Android with OBD2 code reader1、Support high‑speed communication and low‑power sleep mode. Use AT commands to communicate with host devices (PC, notebook, for iOS phone, for iOS tablet, etc.). 2、There are a large number of software packages available and they are fully compatible with WI‑FI OBD AUTO CHECKER. 3、Support engine operating parameter monitoring, DTC reading and clearing, MPG meter, etc. You can even write your own software on a specified hardware platform if you wish, because the AT commands are fully documented and very well explained. 4、It comes included with a power switch built‑in to prevent the need for having to constantly disconnect your unit from the OBDII port. Connect to your for iOS phone/ for iOS tablet via WIFI connection in adhoc mode. 5、It is compatible with vehicles from 1996 and later. Elder OBD compatible vehicles has a sticker indicates that the vehicle is OBD compatible. Model year 1996 and newer vehicles are compliant by default, and will not have this sticker.