ZXLine 7" 8GB 256M Car GPS Navigation + Waterproof Wireless Rear view Camera Bluetooth AV-IN (Free Map & Sun visor) Charger: The Correct Charger Is Car Charger, Not USB Cable. Screen Size: 7'' inches, NAND Flash: 8GB.Support Bluetooth AV-IN. One Year Manufacturer Warranty! Easy to install: Mount Connectors Reference To FIG, Pls Reference Our 5th Picture. And the backup camera is work when you hang into reverse. Easy to install: Mount Connectors Reference To FIG, Pls Reference Our 5th Picture. And the backup camera is work when you hang into reverse. Map: North America Map and Some South America Map.