High definition HD panels that face the interior of the car environment, such as the problems of viewing angles caused by the drivers seat view, the Raku Navi has thoroughly researched the unique viewing environment in the car. We incorporated several technologies to overcome bad conditions into one panel. The soft changes when the hard changes the software. Even though the high definition HD panel is used, it doesnt mean it if the soft is not supported. Easy navigation redesigned all the view. Maximize your HD panel capabilities Connect your smartphone or Amazon Fire TV Stick to a large screen. Connect the "CD-HM220" HDMI cable (sold separately) to your navigation system. Connect your smartphone or Amazon Fire TV Stick, and you can enjoy your YouTube or your favorite videos on the large car navigation screen. In addition, with the in-car Wi-Fi router, you can enjoy an online environment without worrying about the amount of communication on your smartphone. You can enjoy creating videos on the rear monitor and display various video sources such as DVDs and terrestrial digital devices with HDMI output to the rear monitor so you can enjoy clear HD resolution images even on the rear seat. All drivers thought out maneuverability has been pursued to optimally organize and ease of use. The newly developed “Recommended Mode” allows you to use flick control and sound effects to instantly recognize anyone. No need to worry about operations with over-information menu.