Keyless Entry New Design 4 Buttons Uncut Flip Folding Key Shell Fit for Nissan Sentra 2000 2001 2002 2003 Nissan Maxima 2000 2001 Nissan 4 buttons,Transmitter Keyless,replacement Key Blank, No Transponder Chip and Electronics/Battery, shipping time is about 7-15days The key is uncut and needs be brought to a locksmith or a dealer to be cut to match your car. This item isn't a remote key, it's just a remote key shell. NO interior (remote/electronics/ignition or transponder chips) unit inside. 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. Pls kindly check out your key button position before buying, make sure your remote key case looks exactly the same with our case.