Automobile Fault Diagnostic Instrument with Backlight LCD Screen Plug and Play Universal Car Diagnostic Tool Engine Code Reader Compatible with O-B--D II Protocol

Features:
3 models are provided for your option: V300/ V309/ V322. Their appearances and functions are slightly differnt but are all applicable to cars that comply with O-B--D II protocol.
Automobile fault diagnostic instrument can realize quick diagnosis to eliminate undiscovered dangers.
One key quick check of fault code. Fault analysis, data flow view and oxygen sensor test are all available.
No battery required, with car universal 16-pin interface, plug and play, convenient and fast.
Backlight LCD screen clearly displays the diagnostic information for easy reading, which includes read codes, erase codes, I/M readiness, etc.
Only model V309 supports 5 languages (English, German, Dutch, Spanish, French). Only model V322 supports battery voltage check; supports 8 languages (English, German, Dutch, Italian, Spanish, French, Russian, Chinese).
Note:
1. Please read the manual carefully before use.
2. Do not connect or disconnect any test equipment when ignition switch is opening or engine is running.
3. Size and color may slightly differ from the pictures due to manual measurement and different light conditions. Thanks for understanding.