By using this device, you can monitor your cars from PC, Mac, iPhone, iPad, to do inspection by yourself! It would save your money and time.  

Features:
Works with all 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 (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.

wher can I get the software?
You can log on to the apple application store to get your commercial software, such as Dynolicious.
There is a freeware 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 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:      K658
1 * Wi-Fi ELM 327
1 * CD with software

Description

This is an ELM327 Wi-Fi interface diagnostic scanner, supports OBD-II protocols. It
is used to read & diagnose trouble codes, clear trouble codes and detect fuel
pressure and so on. OBD-II Software forELM327 is a free program.After check, the 
ELM327 Wi-Fi interface will quickly send data to your iPhone, iPad, iPod Touch or Windows computer from your vehicle in short time. Easily and quickly!

Features：
1.100% Brand New & High Quality
2.Small & Multifunctional, not occupy space and great for placing in the car
3.Read diagnostic trouble codes, both generic and manufacturer-specific, and 
   display their meaning (over 3000 generic code definitions in the database)
4.Userfriendly and convenient, you could know the conditions of your car anytime
5.Software included in CD for Smart-phone, PC and iOS (iPhone, iPad, iTouch, Mac)

Instructions:
1. Install a compatible automotive diagnostic application in the host device.
2. Plug this OBD2 Wi-Fi scanner into your car, connect it to a Wi-Fi enabled device.
3. Then the ELM327 interface will quickly send data to your iPhone, iPad, iPod Touch or  Windows computer from your vehicle.
4. Following are some of the parameters which could be read from the vehicle:
    RPM
    Fuel Trim
    Fuel Level
    Fuel Pressure
    Vehicle Speed
    Mass Air Flow
    Air Intake Temp
    Timing Advance
    Throttle Position
    Fuel Consumption
    Barometric Pressure
    Engine Coolant Temp
    Calculated Engine Load
    Intake Manifold Pressure
    EVAP System Vapor Pressure
 
Note: 
Your vehicle may not support all above parameters. How many parameters you can get is depended on the vehicle manufacturer’s implementation.

Specifications:
Color: Black
Net Weight: 67g
SSID: Wi-Fi OBDII
Antenna: Internal power
Size: Approx.86*45*25mm
Wi-Fi standard: 802.11a/b/g
Range: Approx.50ft (line of sight)
Consumption: 0.75 watts (with power switch)
Operating temperature: -15 to 100 Deg Celsius

Package:
1 x Software CD
1x ELM327 Wi-Fi OBDII Interface diagnostic scanner