... monitor interface, of which one can record speed4. Supporting 4 way real-time recording, with three solutions (CIF, HD1, D1). ... D1 for 1-ch and CIF for 4-ch6. Multiple recording methods: boot recording, time recording, alarm recording, manual recording, ... disc (2.5inch) 5Recording ModeVideo file formatMP4Booting recording, time recording, alarm recording, manual recording.6PreviewQuad screen, single ...