DESC: This GPS Navigation System from Nextar brings your navigation skills up to date with all the accuracy and modern magic of satellite-aided way finding. Just mount your Nextar navigation system in your car and head out on the road. You'll enjoy the confidence of having built-in maps of all 50 states complete with over 1.6 million points of interest, ranging from hotels and restaurants to airports and landmarks. SD card slot for added memory MP3 song playing mode (requires SD card, not included) 2D or 3D map viewing modes Day and Night modes (Night mode features additional light on the screen for easier viewing).