Model

 AHDVR-0490

System

Main processor

Huawei Hi 3520D

Video

video compression

H.264(High Profile)；

Encode

4ch AHD-M&AHD-L Real-time record

Decode

4ch AHD-M&AHD-L Real-time decode

Multi-mode

input

Only Analog(AHD DVR):

4*AHD-M/4*AHD-L Analog+IP(HVR): 4*720P@12fps(Analog)+4*720P(IP)

OnlyIP(NVR): 2*1080P+2*720P/8*720P

Audio

Audio compression

G.711A

Intercom

support

Recording and Playback

Record mode

Manual>alarm>motion detection>timing

Playback Channels

4 (pure local input mode)

Storage and backup

Space occupation

960H：12~20G/ day*channel

720P：~20G/ day*channel

audio：691.2M/ day*channel

Backup mode

Network backup、USB HDD, USB writer、SATA writer

Interface

Video input

4 BNC

Video output

1ch VGA,1ch HDMI

Audio input

4ch RCA

Audio output

1ch RCA

Alarm input

No

Alarm output

No

Network interface

RJ45 10M/100M Adaptive Ethernet port

PTZ control

RS485:support multiple PTZ protocols

USB

2 USB ports

Hard disk

1 SATA（Each maximum support 4T ）

Wireless

3G、WIFI(expand via USB)

Other

Power

12V/2A

dimension

255mm(length)* 225mm(width)* 45mm(height)