Power Window and Lock Control: The assembly controls the passenger-side power window and door locks.
Remote Key Fob: The attached key fob likely provides remote locking/unlocking and possibly alarm functions.
Antenna Integration: Some models integrate the remote antenna into this switch assembly.
Compatibility: It is designed to fit Jeep Grand Cherokee models from 1999 to 2004.
Used OEM Part: This is likely a used Original Equipment Manufacturer (OEM) part.