... . Supporting 4 way real-time recording, with three solutions (CIF, HD1, D1). Also support 2-ch audio input5. Adopt H. ... CIF for 4-ch6. Multiple recording methods: boot recording, time recording, alarm recording, manual recording, etc. for freely ... hard disc (2.5inch) 5Recording ModeVideo file formatMP4Booting recording, time recording, alarm recording, manual recording.6PreviewQuad screen, single ...