Main reason for choosing V2.1 equipment:
1 ELM327 v2.1 version support 7 protocol
2. Higher quality. NO to poor quality, save time and money!
3. More support, provide useful application for ELM327 such as TORQUE
4. Support multi-language 12 kinds:
• Read/reset 12V Vehicle engine system fault codes
• Bluetooth-compatible or WiFi connections for Android, iOS and Windows
• View 14 engine parameters in real time
• ATAL/ATPPS command and 9 OBD2 Standard protocols compatible

Diagnose your own car or van without taking it to a garage. These OBD2 scanners work with the following gasoline and diesel vehicle systems:
All 12v gasoline or diesel cars and van:

NOTICE

1.Samsung &XIAOMI phone would not have stable connections, they block strange connectors,pls understand

2.Pls DO NOT Leave ELM327 alone on the way if you finish your diagnosis work.(it would be easy damage)

Car model list :

1.American car support car after 1998 year
2.European car support car after 2000 year
3.Asian car support car after 2002, (Japan&Korea&China&so on)
4.Russian cars support after 2012 year (VAZ/UAZ/GAZ car)