With this OBDII Adapter, your CKM100 and DIGIMASTER 3 will become powerful key programming tool.You can program Japanese/Korea/Chinese/European/American cars key via OBDII.For this key programming function, you need upgrade your CKM100 or Digimaster 3, and for each car model key programming, your device will be deduct tokens. Required token quantity varies corresponding to different car models.