Vehicle Mounted DVR 1,H.264 CIF Linux system 2,GPS,3G,WIFI,HDD&SD,Intercom,G-sensor 3,8~48V ... TriggerInterfaceUSB PortAvailable For USB Disk and SD Card StorageGPS,3GVehicle Tracking and Data Wireless UploadOthersPower ConsumptionDC8-48v 5% 8WWorking Temperature -20 ... Manufacture and Sales of of vehicle digital security and surveillance system products such as mobile DVRs, vehicle DVRs, CCTV DVRs, ...