Launch X431 GIII X-PROG 3 Immobilizer and Key Programmer Tool is a chip reading device capable of EEPROM reading and writing as well as offers IMMO functionality, key programming, and other advanced features for North America, Asian, and European vehicle. Additionally, the X-PROG 3 is compatible to work with Launch scan tools to perform key and chip programming, such as the X-431 V, X-431 V+, X-431 Pad V, and more models.