Clarion NP400 Flash Memory Navigation System Add-On Compatible with VZ400/VX400 Touch Screen Operation VZ400/VX400 12 Million Built-in POIs Map Coverage: (US 50 States and Canada) Audible Voice Commands in 3 Different Languages (English / French / Spanish) 4GB Flash Memory (Map Data Pre-loaded) USB port for updates SiRF GPS lll Module with 20-channel GPS Receiver Automatic Route Recalculation Turn by Turn Voice Prompts and Text To Speech for Street Announcements 3 Display Mode: 3D/2D Split Mode