DAHUA NVR DHI-NVR4432-4KS2/I

32 Channel 1.5U 4HDDs WizSense Network Video Recorder

Technical Specification

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; 1080p; 720p; D1Decoding 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/of

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 4 SATA ports, up to 10 TB. The maximum HDD capacity
varies with environment temperature
USB 1 front USB 2.0 port, 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 4.25 kg (9.35 lb)
Gross Weight 6.48 kg (18.41 lb)
Product Dimensions 440.0 mm × 415.6 mm x 76.0 mm (17.32″ × 16.36″ ×
2.99″) (W × L × H)
Package Dimensions 529.0 mm × 499.0 mm × 211.0 mm (20.83″ × 19.65″ ×
9.31″) (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 (9,842.52 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