KPROG2 Adapter for Lonsdor K518ISE Key Programmer,you can get it for backup or replacement.
K518ISE key programmer work with the smart key emulator as below, need purchase alone: SKE-LT: Smart Key emulator - Toyota/Lexus smart key for all key lost via OBD
Lonsdor Orange SKE-LT-DSTAES The 5th Emulator for Toyota & Lexus Chip 39 (128bit) Smart Key All Lost via OBD