Keygen-scanmaster-2.1.exe file from unknown company is part of unknown product. Usually, ELM327 only come with Demo version software.
Scanmaster-V2.1 software compatible with ELM327 family, such as ELM327 Bluetooth, ELM327 USB, B-scan bluetooth scan, vgate icar elm327, Super mini elm327 v2.1, Xtool iobd2 wifi, Super mini elm327 v2.1 with Power Switch etc. Note: this ScanMaster ELM 2.1 keygen send by email.