Technical Specifications: : Black Black - WIFI Material: Plastic Plastic: Automotive Grade SSID: CLKDevices Port: 35000 Range: 50 ft (Line of sight) : Internal Consumption: 0.75 Watts (With Switch) Wifi Standard: 802.11a/b/g Operating Temperature: -15 to 100 Deg Celsius Physical Dimensions: 2.75 x 1.25 x 1.2 inches Description CLKis capable of communicating with vehicles which adopt following protocols: ISO 9141 ISO 11898(aka. CAN) ISO 14230(aka. KWP2000) ISO 15765(aka. CAN) SAE J1939 CLKis able to detect and interpret these protocols automatically. It also provides for high speed communications and a low sleep mode. It use AT commands to communicate with a host device (PC, notebook, , iPod touch, iPad and so on). There are plenty of software packages available, which are fully compatible withCLK. Some of them have pretty useful features, such as engine running 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.CLKis measuring 2.7 x 1.25x 0.9 inches, and it comes attached with a 6 ft OBDII cable for easy installation. It also comes included with a 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 / iPod touch is made by WIFI connection in adHoc mode. With proper software installed in the host device, you may have following read out from your vehicle: Vehicle Speed RPM Fuel Consumption* Engine Coolant Temp Fuel Calculated Engine Load Throttle Position Intake Manifold Air Intake Temp Timing Mass Air Flow Fuel Level Barometric EVAP System Fuel Trim Package Contents: 1 x OBD2 Diagnostic Tool 1 x English User Manual a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a