PORTABLE NAVIGATION SYSTEM WITH ON-DASH ADVANCED MULTIMEDIA NAVIGATION SYSTEM WITH ADVANCED VOICE CONTROL. This GPS navigation has one of the biggest screens as far as portable systems go; measuring a whopping a 5.8 Inch. In addition to providing door to door driving directions AVIC-F500BT can connect to almost anything in your vehicle. It has bluetooth to pair up with your phone, supports an optional TMC antenna, with the ND-BC2 addon you can also hook up a rear view camera. Of course it also connects to your factory radio and even can talk to your parking break, and reverse gear too