Specification :

GM tech tool
skype is amanda924fung

Features:
Authentic GM software in the Tech-2 Flash means the most comprehensive diagnostic software available for late model GM vehicles.
Support for on-board diagnostics on all GM systems 1992 thru current year.
Removable hardware modules provide insurance against scan tool obsolescence.
Large, easy-to-read backlit screen.
RS232 & RS485 ports provide the avenue to connect future devices to your Tech-2 Flash.
Ability to capture stored DTCs, Freeze Frame, and Failure Record for later review.
Ability to view the status of vehicle diagnostic tests as they run.