Supports high-speed communication and low-power sleep mode. Use AT commands to communicate with host devices (PC, laptop, for iOS phone, for iOS tablet, etc.). It has a large number of software packages available and they are fully compatible with WI-FI OBD AUTO CHECKER. Support engine running parameters monitoring, reading and clearing DTCs, MPG meter, etc. Allows you to write your own software on a specified hardware platform if desired, as the AT commands are fully documented and very well explained. Suitable for 1996 and later vehicles. Elder OBD compatible vehicles have a sticker indicating that the vehicle is OBD compatible. Model year 1996 and newer vehicles are compliant by default and will not have this sticker. WIFI ELM327 Wireless OBD2 Auto Scanner Adapter Scan Tool for Smartphone Description< /p> wifi 327 can be used on Iphone,Ipad and so on... Range: 50 ft (Line of sight) Power Consumption: 0.75 Watts ( With Power Switch) Wifi Standard: 802.11a/b/g Operating Temperature: -15 to 100 Deg Celsius Plastic: Automotive Grade Physical Dimensions: 2.75 x 1.25 x 1.2 inches 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 uses 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. Some of them have pretty useful features, such as engine running parameters 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.