Garmin GTX330 P/N 011-00455-00, backplate P/N 011-00582-00 andmounting tray P/N 115-00294-00. Powers up and passes self test. HasSW main version 4.06. All buttons function as they should and function well. IDENT and VFR keys show most wear but still function fine. Easy to get in and program. Sold as is, no warranty, no returns.