The Garmin Head-up Display using Navigon and Garmin Street Pilot apps projects the navigation info onto the windshield, right before your eyes. The HUD device can connect with both iPhone and iPad, but pssst it works with Window 8 and Android devices too. Just choose your destination and Garmin HUD will tell you the estimated arrival time along with potential traffic delays, speed and assistance for lane. The Garmin HUD requires to be be plugged into your cigarette lighter adapter to work.