DAHUA NVR4832-4KS2/I 32 Channel 2U 8HDDs WizSense Network Video Recorder

System

Main Processor

Industrial-grade embedded processor

Operating System

Embedded Linux

Operation Interface

Web; local GUI

AI

AI by Camera

Face detection; face recognition; perimeter protection; SMD Plus; ANPR; people counting; stereo analysis; heat map

AI by Device

Face detection; face recognition; perimeter protection; SMD Plus

Perimeter Protection

Perimeter Performance AI by Device(Number of Channels)

2

Perimeter Performance of AI by Camera (Number of Channels)

8

Face Detection

Face Attributes

6 attibutes: Gender; age group (6); glasses; expressions (8); mouth mask; beard

Face Detection Performance of AI by Device (1080P) (Number of Channels)

1 (up to 12 face images/second)

Face Detection Performance of AI by Camera (Number of Channels)

8

Face Recognition

Face Database Capacity

Up to 10 face databases with 20,000 images

Face Recognition Performance of AI by Device (1080P) (Number of Channels)

1 (up to 4 face images/second)

Face Recognition Performance of AI by Camera (Number of Channels)

8

SMD Plus

SMD Plus by Device

4

SMD Plus by Camera

16-channel SMD Plus (AI by camera): Detects tripwire and intrustion of human or vehicle; filters false alarms caused by leaves, raindrops and change of brightness away

ANPR

ANPR by Camera

4

Video

Access Channel

32 channels

Network Bandwidth

AI off: Access: 256 Mbps; Storage: 256 Mbps; Forward: 256 Mbps
AI on: Access: 160 Mbps; Storage: 160 Mbps; Forward: 160 Mbps

Resolution

16MP; 12MP; 8MP; 5MP; 4MP; 3MP; 2MP; 720p; D1

Decoding Capability

AI off: 1 channel × 16MP@20 fps; 1 channel × 12MP@20 fps; 2 channels × 8MP@30 fps; 4 channels × 5MP@30 fps; 5 channels × 4MP@30 fps; 10 channels × 1080p@30 fps
AI on: 1 channel × 16MP@20 fps; 1 channel × 12MP@20 fps; 2 channels × 8MP@30 fps; 3 channel × 5MP@30 fps; 4 channels × 4MP@30 fps ; 8 channels × 1080p@30 fps

Video Output

1-ch VGA output and 1-ch HDMI output; simultaneous/heterogeneous video sources output for VGA and HDMI is configurable

Multi-screen Display

1st Screen: 1/4/8/9/16/25/36
2nd Screen: 1/4/8/9

Third Party Camera Access

Panasonic; Sony; Samsung; Axis, Pelco; Arecont; ONVIF; Canon; RTSP

Compression

Video

Smart H.265+; Smart H.264+; H.265; H.264; MJPEG

Audio

PCM; G.711A; G.711U; G.726

Network

Network Protocol

HTTP; HTTPS; TCP/IP; IPv4/IPv6; UPnP; SNMP; RTSP; UDP; SMTP; NTP; DHCP; DNS; IP Filter; PPPoE; DDNS; FTP; Alarm Server; IP Search (Support Dahua IP camera; DVR; NVS; etc.); P2P; auto register

Mobile Phone Access

Android; iOS

Interoperability

ONVIF(profile T/S/G); CGI; SDK

Browser

Chrome; IE9 or later; firefox

Record Playback

Multi-channel Playback

Up to 16 channels

Record Mode

Manual; schedule (general; MD; alarm; MD & alarm; intelligent)

Storage Method

Local HDD; network

Backup

USB device

Playback Function

1. Play; pause; stop; fast forward; fast backward; rewind; play by frame
2. Full screen; backup (cut/file) ; partially enlarge; audio on/off

Alarm

General Alarm

Motion detection; privacy masking; video loss; scene changing; PIR alarm; IPC external alarm

Anomaly Alarm

Camera disconnection; storage error; disk full; IP conflict; MAC conflict; login locked; and cybersecurity exception

Intelligent Alarm

Face detection; face recognition; perimeter protection; SMD Plus; people counting; stereo analysis; heat map

Alarm Linkage

Record; snapshot; IPC external alarm output; audio; buzzer; log; preset; email

External Port

HDD

8 SATA ports, up to 10 TB. The maximum HDD capacity varies with environment temperature

USB

2 front USB 2.0 ports, 1 rear USB 3.0 port

HDMI

1 (max. resolution: 4K)

VGA

1

Network

2 RJ-45 10/100/1000 Mbps self-adaptive Ethernet ports

RCA Input

1

RCA Output

1

Alarm Input

16

Alarm Output

4

RS-232

1 channel, used to debug and pass through serial data

RS-485

1 channel, used to control PTZ, and it supports multiple protocols

General Parameter

Power Supply

Single, 100 V–240 V AC, 50 Hz–60 Hz

Power Consumption

Total output of NVR is ≤ 8 W (without HDD)

Net Weight

6.34 kg (18.01 lb)

Gross Weight

8.92 kg (25.34 lb)

Product Dimensions

440.0 mm × 458.4 mm × 94.9 mm (17.32" × 18.05" × 3.73") (W × L × H)

Package Dimensions

570.0 mm × 570.0 mm × 226.0 mm (22.44" × 22.44" × 8.90") (W × L × H)

Operating Conditions

–10 °C to +55 °C (+10 °F to +131 °F)

Storage Conditions

0 °C to +40 °C (32 °F to 104 °F)

Operating Humidity

10%–93%

Storage Humidity

30%–85%

Operating Altitude

3,000 m (9,843 ft)

Installation

Desktop/Rack mount

Certifications

FCC:47 CFR FCC Part15,SubpartB,Class A
CE-EMC:EN 55032:2015,Class A;EN IEC 61000-3-2:2019;EN 61000-3-3:2013+A1:2019;EN 55024:2010+A1:2015;EN 55035:2017;EN 50130-4:2011+A1:2014
CE-LVD:EN 62368-1:2014+A11:2017