Product Name: 8 Inch 3G Android Car DVR Camera Rear View Mirror GPS Bluetooth WiFi Model NO.: AST-GTR8 Interface Display: One Image Input Channels: 4 Stream Type: Hybrid Flow Warranty Time: One Year Certification: CE, RoHS Number of Supported Hard Disk: 1 Interface: BNCVGA CPU: Mtk6582 Arm Quad Cortex 1.3GHz GPU: Mali400 MP2 Camera Module: Novatek Nt99142 Screen: 8 Inch Digital Screen System: Android 5.0 Operation System WiFi and 3G Internet Connection: Support View Angle: 157 Degree RAM/ROM: 1g