Model DVMR-534 Video Type PAL Operation System Embedded RTOS Video Input Channel 4 CH BNC Audio Input Channel 1 CH RCA Video Output Channel 1 CH BNC Audio Output Channel 1 CH RCA Display Frame PAL 100 fps (4X25fps) Recording Frame Rate (quad) PAL 25 fps Recording Frame Rate (each) PAL Max 6.25 fps (25 fps / 4 ) Recording Mode Continuous / Motion / Programmed Resolution Display PAL 720X576 Recording PAL 640X272 Compression Format Modified MJPEG Low 12K Bytes/Frame Normal 15k Bytes/Frame High 20k Bytes/Frame HDD Max 500G Search Mode Time / Date /Event Full Screen Yes Motion Detect Yes Breaks sensation Yes Buzzer Output Yes Brightness Adjust Yes Contrast Adjust Yes PTZ Function Yes USB Output Yes Wireless Remote Control Yes System Monitor Power Recover Auto Record Mode Power Supply DC 12V/3A (AC100V~240V 50/60HZ) Dimension 200 mmX250mmX60mm(WXDXH) Weight 2.5KG