Features:
Read diagnostic trouble codes, both generic and manufacturer-specific, and display their meaning (over 3000 generic code definitions in the database).
Clear trouble codes and turn off the MIL (""Check Engine"" light)
Display current sensor data
Engine RPM
Calculated Load Value
Coolant Temperature
Fuel System Status
Vehicle Speed
Short Term Fuel Trim
Long Term Fuel Trim
Intake Manifold Pressure
Timing Advance
Intake Air Temperature
Air Flow Rate
Absolute Throttle Position
Oxygen sensor voltages/associated short term fuel trims
Fuel System status
Fuel Pressure

Make sure your car is OBD2 compatible.
Some known cars that do not work with this device:
Opel Corsa (older models)
Toyota Hilux/Fortuner
VW Polo Vivos and some older Polos

Support Multi-Protocol as follows:
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 J1850 PWM (41.6 kbaud)
SAE J1850 VPW (10.4 kbaud)

For iPhone Setting:
Go to WiFi settings, search for the WiFi connection called ""WiFiOBD"" and connect
Open your favourite application and connect to 192.168.0.10, Port 35000

Not recommended for Android, Android will have internet while connected to this wifi device.

What's in the box
1x WIFI ELM327