Car GPS Navigation 8G SD Card 256 With Newest Map Build-In Touch Screen Multimedia Player Lifetime Free Map Update Very Important Information At Product Description Read It Before Order . Turn By Turn Navigation .Professional Website For The GPS Problems Solutions And Map Update 2017 New Chip .7" Capacitive Touch Screen Please Contact Us For Any Reason,We Will Do The Replacement Or Refund As Your Demand Easy To Navigate, The System Can Calculate A Best Route Afer Setting The Destination Hign Functional Muiltmedia Player . Support a lot of format . 8G SD Card Built-in With Newest America Map ,Mexico Map ,Canada Map .Do Not Use Computer To Charge The GPS As It Can not Provide The Appropriate Voltage You Can get UUR or Download Other Maps On Our Website When You Need.