Works with OBD-II compliant vehicles; Works on all 1996 to 2010 cars and light trucks sold in the United States, some 1994 and 1995 models are also ok; Software included in CD for Smartphone, PC and iOS (for IPHONE, IPAD, ITOUCH, Mac); Clear trouble codes and turn off the MIL ("Check Engine" light); Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database). How to see if your vehicle is comliant with OBD II? Please pop the hood and look for a sticker named "VEHICLE EMISSION CONTORL INFORMATION". Wi-Fi OBD AUTO CHECKER is 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; Following are some of the parameters which could be read from the vehicle: Vehicle Speed, RPM, Fuel Consumption, Engine Coolant Temp, Fuel Pressure, Calculated Engine Load, Throttle Position, Intake Manifold Pressure, Air Intake Temp, Timing Advance, Mass Air Flow, Fuel Level, Barometric Pressure, 
EVAP System Vapor Pressure, Fuel Trim; Note: Your vehicle may not support all above parameters. How many parameters you can get is depended on the vehicle manufacturer's implementation. Where can I get the software? You can log on to the apple application store to get your commercial software, such as Dynolicious.
And There is a software in the CD-ROM comes along with the device. You can use this piece of software to config and test the WI-FI OBD AUTO CHECKER. 
Specifications: Material: automotive grade plastic; Operating temperature: -15~100'C; SSID: Wi-Fi, OBD; 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); Wi-Fi Standard: 802.11a/b/g; Item size: 9 x 5 x 3cm (3.5 x  2.0 x 1.2in); Item weight: 75g/2.6oz