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Technical Specifications

Hikvision ColorVu 4K 32-Channel NVR Security System — DS-2CD2087G2-LU & DS-7732NI-I4/24P

Capture important activity in detailed 8 MP resolution and full color around the clock with Hikvision ColorVu bullet cameras and a professional 32-channel NVR. Human and vehicle classification helps reduce irrelevant motion alerts, while 130 dB WDR, built-in audio and supplemental white light provide stronger evidence in difficult lighting conditions. The recorder supports up to 32 IP cameras, 24 integrated PoE connections, four SATA hard drives and 4K monitor output, giving homes and businesses room to build a powerful, centralized surveillance system.

Resolution clarification: The included DS-2CD2087G2-LU cameras provide 8 MP/4K resolution. The DS-7732NI-I4/24P NVR supports recording and decoding resolutions up to 12 MP under its standard decoding specifications, as well as higher-resolution IP inputs when Ultra HD Resolution Mode is enabled.

Key Features

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8 MP 4K Video

Records at up to 3840 × 2160 resolution, helping users preserve facial, clothing and property details.

24/7 ColorVu Imaging

An F1.0 aperture, high-performance sensor and white supplemental light deliver full-color imaging day and night.

Human and Vehicle Classification

Deep-learning analytics distinguish people and vehicles during supported motion and perimeter events.

Built-In Microphone

The DS-2CD2087G2-LU includes a microphone for real-time audio monitoring and video-with-audio recording.

130 dB True WDR

Maintains clearer images where bright and dark areas appear together, including entrances and backlit scenes.

32-Camera Capacity

The NVR accepts up to 32 IP camera channels, making it suitable for expanding residential and commercial systems.

24 Integrated PoE Ports

Twenty-four PoE interfaces carry network data and power to compatible cameras over Ethernet cabling.

Expandable Local Storage

Four SATA interfaces support up to 10 TB per disk, providing a maximum supported internal capacity of 40 TB.

H.265+ Compression

Efficient compression can reduce storage consumption by up to 75% compared with conventional video storage requirements.

Remote Viewing

Hik-Connect, iVMS-4200 and supported web access provide flexible options for viewing and managing the system.

4K Display Output

The primary HDMI output supports up to 4K at 60 Hz for detailed local monitoring on a compatible display.

IP67 Camera Protection

The metal bullet camera is rated IP67 for protected outdoor installation in appropriate environments.

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DS-2CD2087G2-LU Camera — Imaging

Camera Type
8 MP ColorVu fixed bullet network camera
Image Sensor
1/1.2-inch Progressive Scan CMOS
Maximum Resolution
3840 × 2160
Minimum Illumination
Color: 0.0005 lux at F1.0 with AGC on; 0 lux with supplemental light
Shutter Speed
1/3 second to 1/100,000 second
Wide Dynamic Range
130 dB
Image Enhancement
BLC, HLC and 3D DNR
Day/Night Modes
Day, night, automatic and schedule
Image Settings
Rotate, mirror, privacy mask, saturation, brightness, contrast, sharpness, gain and white balance
Adjustment Range
Pan: 0° to 360°; tilt: 0° to 90°; rotation: 0° to 360°

DS-2CD2087G2-LU Camera — Lens and Illumination

Available Fixed Lenses
2.8 mm, 4 mm or 6 mm
2.8 mm Field of View
Horizontal: 102°; vertical: 52°; diagonal: 124°
4 mm Field of View
Horizontal: 88°; vertical: 47°; diagonal: 104°
6 mm Field of View
Horizontal: 54°; vertical: 30°; diagonal: 62°
Depth of Focus
2.8 mm: 4.5 m to infinity; 4 mm: 7 m to infinity; 6 mm: 13 m to infinity
Aperture
F1.0
2.8 mm DORI
Detection: 96 m; observation: 38 m; recognition: 19 m; identification: 10 m
4 mm DORI
Detection: 102 m; observation: 41 m; recognition: 21 m; identification: 11 m
6 mm DORI
Detection: 167 m; observation: 66 m; recognition: 33 m; identification: 16 m
White-Light Range
Up to 40 m (approximately 131 ft)
Smart Supplemental Light
Supported

DS-2CD2087G2-LU Camera — Video

Main Stream at 50 Hz
25 fps at 3840 × 2160, 3200 × 1800, 2688 × 1520, 1920 × 1080 or 1280 × 720
Main Stream at 60 Hz
24 fps at 3840 × 2160; 30 fps at 3200 × 1800, 2688 × 1520, 1920 × 1080 or 1280 × 720
Sub-Stream at 50 Hz
25 fps at 1280 × 720, 640 × 480 or 640 × 360
Sub-Stream at 60 Hz
30 fps at 1280 × 720, 640 × 480 or 640 × 360
Third Stream
10 fps at 1920 × 1080, 1280 × 720, 640 × 480 or 640 × 360
Main-Stream Compression
H.265, H.264, H.264+ and H.265+
Sub-Stream Compression
H.265, H.264 and MJPEG
Third-Stream Compression
H.265 and H.264
Video Bit Rate
32 Kbps to 16 Mbps
Bit-Rate Control
CBR or VBR
Scalable Video Coding
Supported
Region of Interest
One fixed region for the main stream and sub-stream

DS-2CD2087G2-LU Camera — Audio

Built-In Microphone
Yes, on the -LU model
Audio Compression
G.711 μ-law, G.711 A-law, G.722.1, G.726, MP2L2, PCM, MP3 and AAC-LC
Audio Sampling Rate
8 kHz, 16 kHz, 32 kHz, 44.1 kHz or 48 kHz
Environmental Noise Filtering
Supported

DS-2CD2087G2-LU Camera — Analytics and Events

Basic Events
Motion detection with human and vehicle classification, video tampering, network disconnection, IP address conflict, illegal login, HDD full and HDD error
Smart Event
Scene-change detection
Perimeter Protection
Line crossing, intrusion, region entrance and region exiting, with human and vehicle target classification
Face Capture
Supported
Event Actions
Upload to FTP, memory card or NAS; notify surveillance center; trigger recording; capture an image; or send email

DS-2CD2087G2-LU Camera — Network and Storage

Network Interface
One RJ45 10/100 Mbps self-adaptive Ethernet port
Simultaneous Live View
Up to 6 channels
Users
Up to 32 users with administrator, operator and user access levels
API Support
ONVIF Profiles S, G and T; ISAPI; and SDK
Protocols
TCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, NTP, UPnP, SMTP, IGMP, 802.1X, QoS, IPv4, IPv6, UDP, Bonjour, SSL/TLS, PPPoE, SNMP, WebSocket and WebSockets
Security
Password protection, complicated passwords, HTTPS encryption, IP address filtering, security audit log, HTTP/HTTPS authentication, TLS 1.1/1.2 and ONVIF authentication
Network Storage
NAS using NFS or SMB/CIFS, plus Automatic Network Replenishment
Onboard Storage
Built-in microSD, microSDHC, microSDXC or TF card slot supporting up to 512 GB
Compatible Clients
iVMS-4200, Hik-Connect and Hik-Central
Web Access
Plug-in viewing with Internet Explorer 10/11; plug-in-free viewing and local service support with listed Chrome, Firefox and Edge versions

DS-2CD2087G2-LU Camera — Power and Construction

12 VDC Power
12 VDC ±25%, 0.5 A, maximum 6 W; reverse-polarity protection
PoE Power
IEEE 802.3af Class 3, 36 V to 57 V, maximum 7.5 W
Operating Conditions
-30°C to 60°C (-22°F to 140°F); humidity of 95% or less, non-condensing
Storage Conditions
-30°C to 60°C (-22°F to 140°F); humidity of 95% or less, non-condensing
Weather Protection
IP67
Anti-Corrosion Classification
No specific anti-corrosion protection
Material
Metal front and back covers
Camera Dimensions
78.8 × 78.6 × 215.2 mm (3.1 × 3.1 × 8.5 in.)
Camera Weight
Approximately 850 g (1.9 lb.)
Packaged Dimensions
315 × 137 × 141 mm (12.4 × 5.4 × 5.6 in.)
Packaged Weight
Approximately 1,270 g (2.8 lb.)

DS-7732NI-I4/24P NVR — Video and Audio

IP Camera Inputs
32 channels
Maximum IP Input Resolution
Up to 32 MP; Ultra HD Resolution Mode supports up to four 32 MP or 24 MP IP camera inputs
Incoming Bandwidth
320 Mbps
Outgoing Bandwidth
256 Mbps
HDMI 1 Output
Up to 3840 × 2160 at 60 Hz; also supports 4K at 30 Hz and multiple lower resolutions
HDMI 2 Output
Up to 1920 × 1080 at 60 Hz
VGA Output
Up to 1920 × 1080 at 60 Hz
Video Output Mode
HDMI 1/VGA simultaneous output; HDMI 2/VGA independent output
CVBS Output
One BNC channel; PAL 704 × 576 or NTSC 704 × 480
Audio Output
One RCA channel
Two-Way Audio Input
One RCA channel using the audio input

DS-7732NI-I4/24P NVR — Recording and Decoding

Decoding Formats
H.265+, H.265, H.264+, H.264 and MPEG4
Recording Resolutions
32 MP, 24 MP, 12 MP, 8 MP, 6 MP, 5 MP, 4 MP, 3 MP, 1080p, UXGA, 720p, VGA, 4CIF, DCIF, 2CIF, CIF and QCIF
Decoding Capacity
2 channels at 12 MP/20 fps; 4 channels at 8 MP/30 fps; 8 channels at 4 MP/30 fps; or 16 channels at 1080p/30 fps
Synchronous Playback
16 channels
Dual-Stream Recording
Supported
Stream Types
Video or video with audio
Audio Compression
G.711 μ-law, G.711 A-law, G.722 and G.726

DS-7732NI-I4/24P NVR — Network and PoE

Remote Connections
Up to 128
Network Interface
One RJ45 10/100/1000 Mbps self-adaptive Ethernet interface
Network Protocols
TCP/IP, DHCP, IPv4, IPv6, DNS, DDNS, NTP, RTSP, SADP, SMTP, SNMP, NFS, iSCSI, ISUP, UPnP, HTTP and HTTPS
PoE Interfaces
24 independent RJ45 10/100 Mbps self-adaptive Ethernet interfaces
PoE Standard
IEEE 802.3af/at
PoE Power Budget
Maximum 210 W
Remote Management
Hik-Connect and DDNS support
Additional Network Features
Smooth-streaming technology and supported web access without a plug-in

DS-7732NI-I4/24P NVR — Storage and Interfaces

SATA Interfaces
Four
Maximum Capacity per HDD
Up to 10 TB per disk
Maximum Supported Internal Storage
Up to 40 TB across four compatible 10 TB hard drives
eSATA
One interface
Alarm Inputs/Outputs
16 inputs and 4 outputs; 16 inputs and 8 outputs optional
Serial Interfaces
One half-duplex RS-485 and one RS-232
Front USB
Two USB 2.0 interfaces
Rear USB
One USB 3.0 interface

DS-7732NI-I4/24P NVR — Smart Functions

VCA Events
Supports multiple Video Content Analytics events
Camera Smart-Function Support
Supports configurable compatible-camera functions such as motion detection, line crossing, intrusion detection, heat map, ANPR and people counting
POS Functions
POS data overlay on live view and playback, plus POS-triggered recording and alarms
Stream Security
Stream-over-TLS encryption support
Playback and Download Security
Double-verification support

DS-7732NI-I4/24P NVR — Physical and Environmental

Power Supply
100 to 240 VAC, 50 to 60 Hz
NVR Consumption
Maximum 20 W without hard drives and with PoE off
Operating Temperature
-10°C to 55°C (14°F to 131°F)
Operating Humidity
10% to 90%
Dimensions
445 × 400 × 75 mm (17.5 × 15.7 × 3.0 in.)
Weight
Maximum 5 kg (11 lb.) without hard drives
Certifications
FCC Part 15 Subpart B and applicable CE standards listed in the datasheet
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Compatible Accessories Found in the Datasheet

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DS-1276ZJ-SUS

Optional corner-mount bracket for the DS-2CD2087G2-LU camera.

DS-1275ZJ-SUS

Optional vertical pole-mount bracket for the DS-2CD2087G2-LU camera.

DS-1280ZJ-S

Optional junction box for organized cable connections and camera mounting.

Compatible Surveillance HDDs

The NVR provides four SATA interfaces and supports up to 10 TB per disk. Hard-drive inclusion and installed capacity depend on the selected kit configuration.

microSD Storage

Each camera supports a compatible microSD, microSDHC, microSDXC or TF card with a capacity of up to 512 GB.

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Ideal Applications and Common Uses

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Large Homes and Estates

Monitor entrances, driveways, yards, gates and other important areas with detailed color imaging.

Retail Stores

Combine surveillance with supported POS overlays to review transactions alongside recorded video.

Warehouses

Cover loading zones, inventory areas and exterior perimeters while maintaining centralized recording.

Offices and Commercial Buildings

Secure entrances, reception areas, hallways, parking lots and restricted-access locations.

Parking Areas

Use full-color nighttime video and human/vehicle classification to monitor activity around parked vehicles.

Schools and Campuses

Support multi-camera coverage across entrances, corridors, common spaces and exterior grounds.

Multi-Site and Expanding Systems

Begin with the required camera count and expand toward the recorder's 32-channel capacity as coverage needs grow.

24/7 Evidence Collection

Capture detailed video and real-time audio in locations where identifying people, vehicles and events matters.

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