This is a
Factory OEM (Original
Equipment Manufacturer) 4 button keyless entry remote, aka
"key fob" for a 2008 Nissan Altima.
These are genuine Nissan OEM electronics with a new uncut key.
Your existing key fob must have an FCCID of KR55WK48903 for this product to work for your vehicle.
THIS REMOTE MUST BE PROGRAMMED BY A LOCKSMITH OR DEALER