Specifications: SSID: CLKDevices IP: 192.168.0.10 Subnet: 255.255.255.0 Port: 35000 Range: 50 ft (Line of sight) Antenna: Internal 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 Features: CLK is capable of communicating with vehicles which adopt following protocols: ISO 9141 ISO 11898(aka. CAN) ISO 14230(aka. KWP2000) ISO 15765(aka. CAN) 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. 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. WI-FI OBD AUTO CHECKER is measuring only 2.7 x 1.25x 0.9 inches.It 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 vehicles. Connecting to your iPhone / iPod touch /iPad is made by WIFI connection in adHoc mode. 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. Package List: 1 x ELM327 WiFi Wireless OBD2 Interface 1 x Software CD