TOFNK Remote Key Shell Smart Remote Key Keyless FOB Replacement Case Housing Button Repair for Infiniti G35 G37 4 Buttons Black Produced by high quality material and crafted meticulously This item isn't a remote key, it's just a remote key shell. NO interior (remote/electronics/ignition or transponder chips) unit inside. Cut the blade,take internal electronics (include immobilizer/transponder chip) from original remote and place them to our key shell, then it is OK! There's no programming needed. Pls kindly check out your key button position before buying, make sure your remote key case looks exactly the same with our case. Please kindly check the internal structure of the shell and make sure it is the same with your original key.