Dahua NVR4232-4KS2/L 32 Channel 1U 2HDDs Network Video Recorder

System

Main Processor

Industrial-grade embedded processor

OS

Embedded Linux

Operation Interface

Web/operating in local GUI

Perimeter Protection by Camera

Performance

8 channels

AI Search

Search for pictures by channel, time and event type

Face Detection by Camera

Performance

4 channels

Face Attributes

6 attributes: Gender, age, glasses, expression, mouth mask, and beard

AI Search

Search for pictures by channel, time and face attributes

SMD Plus by Camera

Performance

12 channels

AI Search

Search by target classification (human, vehicle)

Video

Access Channel

32

Network Bandwidth

Access: 160 Mbps; Storage: 128 Mbps; Forward: 48 Mbps

Resolution

8MP; 6MP; 5MP; 4MP; 3MP; 1080p; 720p; D1

Decoding Capability

8 × 1080p@30 fps

Video Output

1 × VGA output, 1 × HDMI output, supports simultaneous video sources output for VGA and HDMI

Multi-screen Display

1, 4, 8, 9, 16, 25, 32 views

Third-party Camera Access

ONVIF; RTSP

Compression

Video

Smart H.265/H.265/Smart H.264/H.264/MJPEG

Audio

PCM/G711A/G711U/G726/AAC

Network

Network Protocol

HTTP; HTTPS; TCP/IP; IPv4/IPv6; UPnP; SNMP; RTSP; UDP; SMTP; NTP; DHCP; DNS; IP Filter; 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 for playback

Record Mode

Manual record; alarm recording; SMD recording; smart recording

Storage

Local HDD; network

Backup

USB storage device

Playback Function

1. Play/pause/stop/slow/quick/backward/by frame 2. Full screen, backup (video clip/file), partial zoom in, and audio on/off

Storage

Disk Group

Yes

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, perimeter protection (intrusion and tripwire), IVS, people counting, heat map, and SMD alarms

Alarm Linkage

Recording, snapshot, local external alarm output, audio, buzzer, log, preset, and email

External Port

Audio Input

1 × RCA input

Audio Output

1 × RCA output

HDD

2 SATA III ports, up to 10 TB for a single HDD. The maximum HDD capacity varies with environment temperature

Alarm Input

4

Alarm Output

2

USB

2 (1 × front USB2.0; 1 × back USB2.0)

HDMI

1 (supports up to 4K resolution output)

VGA

1

Network

1 × RJ-45, 10/100/1000 Mbps self-adaptive Ethernet port

General Parameter

Power Supply

12 V DC, 4A

Power Consumption

< 5.6 W (HDD not included, idling)

Net Weight

1.5 kg (3.31 lb)

Gross Weight

2.6 kg (5.73 lb)

Product Dimensions

375.0 mm × 282.9 mm x 53.0 mm (14.76" × 11.14" × 2.09") (W × L × H)

Package Dimensions

433 mm × 140 mm × 363 mm (17.05" × 5.51" × 14.29") (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

3000 m (9842.52 ft)

Installation

Desktop/Rack mount

Certifications

CE: EN62368-1; EN55032,EN55024, EN55035, EN61000-3-2, EN61000-3-3 EN50130-4 FCC: Part 15 Subpart B