Model

　　System

　　Main processor

　　Hi3531

　　Operating system

　　embedded Linux

　　System resources

　　Simultaneously multi-channel real-time recording, playback, network operation, USB backup

　　Interface

　　Operator interface

　　support 16-bit true color graphical menu interface and mouse operation

　　Preview

　　1/4

　　Video

　　Decode

　　H.264(High Profile)

　　Monitor quality

　　VGA,HDMI:HD

　　Playback quality

　　AHD-H/ AHD-M /D1

　　Encode ability

　　4* AHD-H

　　Decode ability

　　4* AHD-H

　　Multi-mode

　　input

　　analog: 4* AHD-H;4* AHD-M;

　　hybrid: 2*AHD-H(ananlog)+2*1080P(network)

　　4*AHD-M(analog)+4*720P(network)

　　Network only:1*1080P+8*720P;4*1080P;20*960H;

　　Motion Detection

　　Each screen can be set to 192 (16 * 12) detection areas; multi-level sensitivity can be set (Limited local channel)

　　Audio

　　Audio compression

　　G.711A

　　Intercom

　　support

　　Record & playback

　　Record mode

　　manual>alarm>motion detection>timing

　　Local Playback

　　4ch(local input mode)

　　Search mode

　　Search by time, calendar, event, channel

　　Storage & backup

　　Space occupation

　　1080P 20~30G/day*channel;720P ~20G/ day*channel ;960H 12~20G/ day*channel;audio:691.2M/ day*channel

　　Video storage

　　HDD, network

　　Backup mode

　　Network, USBhard disk, USB burner, SATA burner

　　External Interface

　　Video input

　　4ch BNC

　　Video output

　　1ch VGA, 1ch HDMI

　　Loop Vout

　　N/A

　　Audio input

　　4ch RCA

　　Audio output

　　1ch RCA

　　Alarm input

　　0( Can be extended to 4ch)