... CCTV camera systems Camera systems, CCTV systems, DVR systems, systems camera, 8CH DVR, H. 264 DVR, 8CH audio 1. Support 2 CH ... Input/Output (optional)4CH input, 1CH output, with Alarm— DVR-9108LVS)Multiplex OperationLive display/record/playback/backup/network transmitRecording ModeManual ... send it by China Post Registered small parcel , it is cheap but slowly . If you want to choose other modes ...