GPS Navigation Antenna for Clarion NP400 NP401 NX404 NX405 NX409 NX500 NX501 NX602 NX702 NX706 NX706 NZ409 NZ500 NZ501 NZ503 with Magnetic Pad Navigation Antenna for Clarion Units 15 feet long Comes with magnetic pad to stick to dash board Some Clarion Models require a navigation box for the navigation to work. Please check your headunit to make sure you have the correct box