Please also check following websites that are related with the automotive electronics and everything that is connected with it.
Elprosys - unique solutions for the automotive industry:
Online store with our devices and accessories, including to work with DiagProg4 diagnostic tester and CodiProg EEPROM programmer. You will also find here battery chargers/jump starters NOCO and Autel diagnostic testers:
Photo database to help you find the OBD2 socket on selected car models:
The website dedicated to Autel Diagnostic Tools: