Model	AOP-3704HD
Video Compression	Standard H.264 Baseline
Video Input	BNC*4(Composite signal 1.0Vp-p 75Ω)
Video Output	Composit：1.0Vp-p/75Ω,BNC×2 ; High Resolution　VGA：1280*1024;HMDI：1080P(1920*1080)
Video Record Frame Rate	NTSC：120fps(D1) ；PAL：100fps(D1)
Record Resolution	Full DI real-time/ch PAL：704×576 @ 25fps/ch ; NTSC：704×480@ 30fps/ch
Operation Mode	Manual, Time, Motion, Sensor
Pentaplex	Preview, Record, Playback, Backup, Remote access
Audio Input/Output	4ch(RCA)/1ch(RCA)
MIC	1ch(RCA)
Audio encode/decode	ADPCM
Alarm Input/Output	4ch Input, 2ch Output
PTZ Camera Control	YES(128presets,32 cruises)
HDD Storage	SATA HDD*4pcs 500G or SATA HDD *2pcs 2TB or 1DVD-DW +200pcs + 2pcs 500G
Network Interface	RJ45(10M/100M/1000M Ethernet adjustable)
Communication Interface	RS485×1, USB2.0×2
IR Remote Control	YES
Power Supply	110-230V