Universal OBD2 scanner for car with multifunction LCD display1Multifunction: Can be used to detect air cap, O2 sensor, air fuel ratio sensor, air mass flow sensor, ignition coil, spark plug wire, spark plug, thermostat, EGR valve, EVAP, catalytic converter, etc. 2High Efficiency: Fast scan and clear engine errors, turn off check engine light. Find out what's wrong with your car and perhaps fix it, save money and time. 3Languages Supported: The car diagnostic scanner supports English, French, Russian, Spanish, German, Italian, Portuguese. 4Dust Cap Design: The dust cap protects the connector from dust, water, resistant oil and dirtly, no worries while you don't use it. 5Easy to Carry: The OBD2 scanner's mini size fits in the palm of your hand. so that you can carry it around no matter in garage or on a trip.