Dahua 4 Channel DVR (DH-XVR4B04)

System

Main Processor

Embedded Processor

Operating System

Embedded LINUX

Video and Audio

Analog Camera Input

4 channels, BNC

HDCVI Camera

1080p@ 25/30 fps, 720p@ 25/30/50/60 fps

AHD Camera

1080P@25/30, 720P@25/30fps

TVI Camera

1080P@25/30, 720P@25/30fps

CVBS Camera

PAL/NTSC

IP Camera Input

4CH: 4+1, each channel up to 2MP

Audio In/Out

1/1, RCA

Two-way Talk

Reuse audio in/out, RCA

Recording

Video Compression

H.265+/H.265/H.264+/H.264

Resolution

1080N, 720P, 960H, D1, CIF

Record Rate

Main Stream;

All channels 1080N/720P/960H/D1/CIF/(1`25/30 fps)

Sub Stream

CIF (1`15 fps)

Video Bit Rate

32Kbps ~ 4096Kbps Per Channel

Record Mode

Manual, Schedule (General, Continuous), MD (Video detection: Motion Detection, Video Loss, Tampering), Alarm, Stop

Record Interval

1 ~ 60 min (default: 60 min), Pre-record: 1 ~ 30 sec, Post-record: 10 ~ 300 sec

Audio Compression

AAC(only for the 1st channel), G.711A, G.711U, PCM

Audio Sample Rate

8KHz, 16 bit Per Channel

Audio Bit Rate

64Kbps Per Channel

Display

Interface

1 HDMI ,1 VGA

Resolution

1920×1080, 1280×1024, 1280×720

Multi-screen Display

When IP extension mode not enabled:

4CH: 1/4

When IP extension mode enabled:

4CH: 1/4/6

OSD

Camera title, Time, Video loss, Camera lock, Motion detection, Recording

Network

Interface

1 RJ-45 Port (100M)

Network Function

HTTP, HTTPS, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter ,DDNS, FTP, Alarm Server, P2P,IP Search (Supports Dahua IP camera, DVR, NVS, etc.)

Max. User Access

128 users

Smart Phone

iPhone, iPad, Android

Interoperability

ONVIF 16.12, CGI Conformant