GOOD QUALITY REPLACEMENT HOUSING SHELL: Best replacement for a key with broken buttons or a worn key case. Key case only, without logo NOT A REMOTE No internal electronics. This is an aftermarket replacement case. YOU CAN REPLACE IT BY YOURSELF: Take the internal electronics (including immobilizer/transponder chip) from the original remote and place it on our key shell, then you are set! You can do it yourself, very easy and simple COMPATIBILITY: This keyless entry remote key fob case is suitable for Renault Laguna Espace chip card with blade and other model with the same key blank and battery holder specifications listed in the section below.. . DURABLE KEY SHELL: Made from high quality materials, instead of smart keyless remote shell, durable.