4UCam 5-inch LCD Touch Screen GPS + Wireless Backup license Camera w/Bluetooth System 5 INCH GPS combine with backup camera in one screen, auto switch between GPS and camera view Long signal range wireless backup camera with waterproof, day&night vision, 110 degree view angle GPS w/ 530 MHz SamSung S3C2443X-40 CPU 800x480 Pixels Digital HD displayer with touched screen 128MB SDRAM & 128M Nand Flash memory 2Whi-Fi speaker built in FM Transmitter + bluetooth Preloaded with maps of the US, Canada, Text-to-Speech voice guide