Because the system occupies internal memory, the operating system occupies approximately 4-6 GB of memory. Rear View Camera Input: The camera input cable is easy to connect, parking car more safer and convenient. Media Format: Support MP3, MP4, AVI, MKV, DIVX, FLV, AAC, AC3, OGG, WMA, JPEG, etc. Support original car steering wheel button. Wi-Fi Connect: Built-in Wi-Fi antenna for connecting to nearby Wi-Fi access points and hotspots.GPS Navigation: Support GPS maps, such as Google Online MapYandex. Navi / Waze on Line / Sygic.. Radio Tuner: FM frequency range: 65-74 MHz, 87.5-108 MHz. (Simplified), Russian, Spanish, Turkish, Russian, Hebrew, Italian, Chinese (Traditional), Arabic, French, German, English, Portuguese, 70 languages including Korean, Thailand, etc. 1 × Car GPS media player. Harnesses, frame and accessories required. Thank you for your understanding. And wish you have a happy shopping. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Interior Parts & Accessories\Other Interior Parts & Accessories". The seller is "kafeng66" and is located in this country: CN.