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”.

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:
Operating temperature: -15 to 100 Deg Celsius
SSID: WiFiOBD
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
Item size: 9 * 5 * 3cm (3.5 * 2.0 * 1.2in)
Item weight: 75g/2.6oz

Item Includes:
1 * Wi-Fi ELM 327
1 * CD with software

Product Features

• Works with OBD-II compliant vehicles. Clear trouble codes and turn off the MIL (
• 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).
• Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database).
• Material: automotive grade plastic.