THE CORE OF NAVIGATION: offers essential navigation, finding destinations is simple from the search menu or by touching a point on the map, Inch touchscreenFunction Parameters:Operating System: Android 8.1Screen: 9 inch Capacitive screenCPU: 4 cores at 1.3 GHz A7GPU: 600 MHz Mali-400Power: 4 * 45W (Max)WiFi: 802.11 b / g / nSpecifications: 2.5 Kg (approximately)RAM + ROM: 1G / 16G + 2G / 32GStorage extension: 32G / 64GResolution: HD 1024 * 600 and support 1920 * 1080 video playBasic Function:Ports: Dual USB cables, RCA portsInternet: 4G (Optional) / Wifi / USB / Hot spotRear view camera input: SupportHeadrest monitor: support (Wifi)Steering wheel control: supportMirror link function: Support (Android phone and iPhone)Mobile phone Connected: Support Android and iOSRadio Tuner: AM (520-1700 Hz); FM (87.5-108.5MHz)Bluetooth 4.0: Bluetooth music, phonebook, hands freeExtended functions: DVB-T / DVB-T2 / ATSC / ISDB-T (extemal), TPMS, DVR, TMC, OBD, DAB etc.Google service: Playstore, Gmail, Google maps, Google Browser etc.Bultin GPS navigation system: GPS / GLONASS / BDNS, You can instal any map app by yourself.Attention Please:The price for the navigation including the frame, head unit (screen), Power Harness (Plug and Play),And all the accessory wires for navigation.