... of which one can record speed4. Supporting 4 way real-time recording, with three solutions (CIF, HD1, D1). Also ... CIF for 4-ch6. Multiple recording methods: boot recording, time recording, alarm recording, manual recording, etc. for freely optional7 ... hard disc (2.5inch) 5Recording ModeVideo file formatMP4Booting recording, time recording, alarm recording, manual recording.6PreviewQuad screen, single ...