Wifi ELM327 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 this tool. 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. This tool is only 2.7 x 1.25x 0.9 inches. It includes 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 which are obd2 or eobd compliant. Connecting to your iPhone / iPod touch is made by WIFI connection in adHoc mode.

With Proper Software Installed In The Host Device, You May Have Following Parameters Read Out From Your 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.

Wireless ELM327 Multi-Protocol Support:

ISO 9141-2 (5 baud init, 10.4 kbaud)
ISO 14230-4 KWP (5 baud init, 10.4 kbaud)
ISO 14230-4 KWP (fast init, 10.4 kbaud)
ISO 15765-4 CAN (11 bit ID, 500 kbaud)
ISO 15765-4 CAN (29 bit ID, 500 kbaud)
ISO 15765-4 CAN (11 bit ID, 250 kbaud)
ISO 15765-4 CAN (29 bit ID, 250 kbaud)
SAE J1939

ELM327 Scanner Vehicle Coverage:

Work with all models that support the OBD2 standard ( Acura, Alfa Romeo, Ariel Atom, Aston Martin, Audi, Bentley, BMW, Buick, Cadillac, Chevrolet ,Chrysler, Citroen, Daewoo, Daihatsu, Daimler, Dodge, Ferrari, Fiat, Ford, Geo, GMC Holden, Honda, Hummer, Hyundai, Infiniti, Isuzu, Jaguar, Jeep, Kia, Lamborghini, Lancia Land Rover, Lexus,Lincoln, Lotus, Maserati, Mazda, McLaren, Mercedes, Mercury, MG, Mini Mitsubishi, Nissan, Oldsmobile, Opel, Pagani, Panoz, Peugeot, Plymouth, Pontiac, Porsche Regal, Renault, Rolls Royce, Roush, Rover, Saab, Saleen, Saturn, Seat, Scion, Shelby Skoda, Smart, Subaru, Suzuki, Tesla, Toyota, Triumph, TVR, Vauxhall, Volkswagen, Volvo, Yugo etc...).

For Your Information:

For your vehicle to be OBD II compliant it must have a 16-pin DLC (Data Link Connector) under the dash and the Vehicle Emission Control Information Label must state that the vehicle is OBD II compliant.
All vehicles from 1996 in USA and Petrol cars from 2001,diesel cars from 2003/2004 in Europe are obd2 compliant.

OBD II ELM327 Hardware Requirements:

PC/iPhone/iPod/iPod Touch/iPad
Important: Your PC requires wireless LAN router supporting WiFi 802.11 a/b/g for linking.

ELM327 Software Requirements:

- All ELM327 based software
- iOS base software in Apple store: Rev / FUZZYCar / DashCmd / SpeedPORT / Nova Scan
Attention: iOS base software are not included you must buy from Apple App Store! we only offer PC version software &  Instructions manual (on the CD)

Wifi ELM327 Technical Specifications:

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
Wifi Standard: 802.11a/b/g
Operating Temperature: -15 to 100 Deg Celsius

FAQ:

Q: Does the elm 327 SC133-B also work on windows xp 32 bit?
A: Yes, it can work on computers or laptops, but it should have wifi on these computers.

WIFI ELM327 Package List:

1 x Wifi ELM327 obd interface
1 x Software CD

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