This is a
Factory OEM (Original
Equipment Manufacturer) 4 button keyless entry remote, aka
"key fob" for a 2008 Nissan Sentra.
These are genuine Nissan OEM electronics.
Your existing key fob must have an FCCID of CWTWBU735 for this product to work for your vehicle.
THIS REMOTE MUST BE PROGRAMMED BY A LOCKSMITH OR DEALER