Style: Folding key case，NO interior (remote/electronics/battery/transponder chips) unit inside. Buttons quantity: 4 buttons，Pls make sure your key type & buttons is same as picture shows The key is uncut and needs be brought to a locksmith or a dealer to be cut to match your car 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 Any questions，pls ask us Pls note:4 buttons flip key case，NO interior (remote/electronics/battery/transponder chips) unit inside. Fit Models: 2002-2006 Nissan Altima 2003-2007 Nissan 350Z 2003 Infiniti Q45 2003-2004 Infiniti I35 2003-2006 Infiniti G35 2004-2006 Nissan Maxima 2005-2006 Nissan Sentra Package Included: 1X Uncut Key Remote Shell(no logo)