Transmitter New 3 Buttons Keyless FOB Key Case Shell replacement for Mitsubishi Montero Sport 2002 Replacement (black) work with vehicle refit 3buttons remote key case replacment, shipping time is about 7-15days 1 X Keyless Entry Key Remote Fob Case, Best replacement for broken or worn keys, or great for an additional key. This item isn't a remote key, it's just a remote key shell. NO (remote/electronics/ignition or transponder chips) . Take the internal electronics (include immobilizer/transponder chip) from original remote and 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.