4 BUTTONS key case，NO interior (remote/electronics/transponder chips) unit inside. Pls kindly check out your remote key button position before buying， make sure your remote key case looks exactly the same with this case. Cut the key blade，Take the 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. Better use glue，to make key case close tightly after insatll all internai parts into key case Any questions，pls ask us Pls be note:key case&uncut key blade，not a complete remote key!!! Package Included: 1 X Key Shell (NOT OFFER LOGO) Work with: 2001-2008 Jaguar XJ8 2001-2008 Jaguar S-Type 2002-2008 Jaguar X-Type