Overview

High-Performance 4MP Smart Surveillance Camera for Professional Security
The Hikvision DS-2CD2646G2H-IZS2U/SL is a 4MP DarkFighter motorized varifocal bullet network camera designed for advanced outdoor and indoor surveillance. Built for high clarity in low-light environments, it delivers reliable security performance with intelligent detection, active deterrence, and flexible installation options. Featuring a motorized 2.8-12mm lens, it allows remote adjustment of viewing angles for precise monitoring across wide or focused areas.

Description

This 4MP DarkFighter bullet camera combines high-resolution imaging with intelligent security functions to deliver dependable surveillance in demanding environments. It is engineered for clear night and low-light performance, enhanced by IR illumination up to 60m and advanced wide dynamic range processing for challenging lighting conditions. The integrated strobe light, audible alarm, and white light flashing system actively deter intruders, while built-in two-way audio enables real-time communication. With AI-based human and vehicle classification, the camera reduces false alerts and improves monitoring accuracy. Its rugged IP67 and IK10-rated metal housing ensures durability against weather and vandalism, making it suitable for commercial, industrial, and high-security installations.

Features

Core Imaging and Performance Capabilities
The camera uses a 1/3 inch progressive scan CMOS sensor delivering up to 2688 x 1520 resolution. Powered by DarkFighter technology, it provides strong low-light performance with minimal illumination requirements. A 120 dB wide dynamic range ensures balanced image quality in scenes with strong backlight or contrast.

Key imaging highlights include:

• 4MP high-definition resolution for detailed monitoring
• 120 dB wide dynamic range for backlit environments
• IR night vision up to 60 meters
• 3D digital noise reduction for cleaner images
• Flexible day/night switching with IR cut filter

Motorized Lens and Flexible Viewing
Equipped with a motorized varifocal lens (2.8-12mm), the camera allows remote zoom and focus adjustment, simplifying installation and reducing setup time. This flexibility makes it suitable for both wide-area surveillance and focused target monitoring.

Lens and viewing details:

• Focal range: 2.8mm to 12mm
• Horizontal field of view: 105.4 to 34.3 degrees
• Vertical field of view: 56.1 to 19.3 degrees
• Adjustable pan, tilt, and rotation up to full 360-degree range

Intelligent Security and Active Deterrence
This model is designed not just for recording but for proactive security response. It integrates AI-based detection and active deterrence features to prevent incidents before they escalate.

Key security functions:

• Human and vehicle classification using deep learning
• Motion detection with smart target filtering
• Face capture capability
• Line crossing, intrusion, and region-based alerts
• Strobe light and audible alarm for active intrusion deterrence
• White light flashing for real-time warning

Audio and Communication Features

Built-in dual array microphones and two-way audio support enable real-time communication and improved situational awareness. The system supports multiple audio formats and noise filtering for clearer transmission.

Audio capabilities include:

• Built-in dual-microphone array
• Two-way audio communication (line in and line out support)
• Environment noise filtering
• Multiple audio compression formats including G.711, AAC, and MP3

Video Compression and Network Efficiency
The camera supports modern compression standards to optimize bandwidth and storage without compromising image quality. It also supports multiple simultaneous streams for flexible monitoring setups.

• H.265, H.264, H.265+, and H.264+ compression support
• Up to 6-channel simultaneous live view
• Adjustable bit rate from 32 Kbps to 8 Mbps
• Triple-stream support for flexible recording and monitoring
• ONVIF compatibility for system integration

Storage, Interface, and Connectivity
Designed for flexible deployment, the camera includes multiple interface options and onboard storage support.

• Built-in microSD card slot supporting up to 512GB
• 1x RJ45 Ethernet port (10/100 Mbps)
• 1 alarm input and 1 alarm output
• Audio input and output terminals
• PoE support for simplified installation

Rugged Build and Environmental Resistance
Built with a full metal body and bracket, this camera is engineered for harsh environments. Its IP67 rating protects against dust and water, while IK10 ensures resistance to vandalism.

• IP67 weatherproof protection
• IK10 impact resistance
• Operating temperature range: -30 to 60 degrees Celsius
• Suitable for outdoor and industrial installations

Product Specifications Snapshot
Part Number / SKU: DS-2CD2646G2H-IZS2U/SL (2.8-12mm)

• Max resolution: 2688 x 1520
• Sensor: 1/3 inch progressive scan CMOS
• IR range: up to 60 meters
• Lens: motorized 2.8-12mm varifocal
• Wide dynamic range: 120 dB
• Video compression: H.265 / H.264 / H.265+ / H.264+
• Storage: microSD up to 512GB
• Protection rating: IP67 and IK10
• Audio: dual-microphone, two-way communication

Ideal Applications
This camera is well suited for commercial buildings, warehouses, retail environments, parking areas, and perimeter security installations where reliable low-light performance, active deterrence, and intelligent detection are required.

Specifications

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Specifications
Product Code	DS-2CD2646G2H-IZS2U/SL(2.8-12mm)
Camera
Image Sensor	1/3" Progressive Scan CMOS
Max. Resolution	2688 x 1520
Min. Illumination	Color: 0.001 Lux @ (F1.0, AGC ON),B/W: 0 Lux with IR
Shutter Time	1/3 s to 1 / 100,000 s
Day & Night	IR cut filter
Angle Adjustment	Pan: 0degrees to 360degrees,tilt: 0degrees to 90degrees,rotate: 0degrees to 360degrees
Lens
Lens Type	Varifocal lens, motorized lens, 2.8 to 12 mm
Focal Length & FOV	2.8 to 12mm, horizontal FOV 105.4degrees to 34.3degrees, vertical FOV 56.1degrees to19.3degrees, diagonal FOV 125.8degrees to 39.4degrees
Lens Mount	Ø14
Iris Type	Fixed
Aperture	F1.0
Depth of Field	2.8 to 12mm: 1m-∞
DORI
DORI	Wide: D: 63 .4m, O: 25.2 m, R: 12 .7m, I: 6.3 m
	Tele: D: 180.6 m, O: 71.7 m, R: 36.1 m, I: 18.1 m
Illuminator
Supplement Light Type	IR
Supplement Light Range	Up to 60 m
Smart Supplement Light	Yes
IR Wavelength	850 nm
Video
Main Stream	50 Hz: 25 fps (2688 x 1520, 1920 x 1080, 1280 x 720)
	60 Hz: 30 fps (2688 x 1520, 1920 x 1080, 1280 x 720)
Sub-Stream	50 Hz: 25 fps (1280 x 720, 640 x 480, 640 x 360)
	60 Hz: 30 fps (1280 x 720, 640 x 480, 640 x 360)
Third Stream	50 Hz: 10 fps (1920 x 1080, 1280 x 720, 640 x 480, 640 x 360)
	60 Hz: 10 fps (1920 x 1080, 1280 x 720, 640 x 480, 640 x 360)
	*Third stream is supported under certain settings.
Video Compression	Main stream: H.265/H.264/H.264+/H.265+
	Sub-stream: H.265/H.264/MJPEG
	Third stream: H.265/H.264
	*Third stream is supported under certain settings.
Video Bit Rate	32 Kbps to 8 Mbps
H.264 Type	Baseline Profile,Main Profile,High Profile
H.265 Type	Main Profile
Bit Rate Control	CBR,VBR
Scalable Video Coding (SVC)	H.264 and H.265 encoding
Region of Interest (ROI)	1 fixed region for main stream and sub-stream
Audio
Audio Compression	G.711/G.722.1/G.726/MP2L2/PCM/MP3/AAC-LC
Audio Bit Rate	64 Kbps (G.711ulaw/G.711alaw)/16 Kbps (G.722.1)/16 Kbps (G.726)/32 to 192 Kbps (MP2L2)/8 to 320 Kbps (MP3)/16 to 64 Kbps (AAC-LC)
Audio Sampling Rate	8 kHz/16 kHz/32 kHz/48 kHz
Environment Noise Filtering	Yes
Network
Protocols	TCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, RTCP, NTP, UPnP, SMTP, IGMP, 802.1X, QoS, IPv4, IPv6, UDP, Bonjour, SSL/TLS, PPPoE, SNMP, WebSocket, WebSockets, SRTP, SFTP
Simultaneous Live View	Up to 6 channels
API	ONVIF (Profile S, Profile T, Profile G),ISAPI,SDK,ISUP
User/Host	Up to 32 users
	3 user levels: administrator, operator, and user
Security	Password protection, complicated password, HTTPS encryption, 802.1X authentication (EAP-TLS, EAP-LEAP, EAP-MD5), watermark, IP address filter, basic and digest authentication for HTTP/HTTPS, WSSE and digest authentication for Open Network Video Interface, RTP/RTSP over HTTPS, control timeout settings, security audit log, TLS 1.1/1.2/1.3, host authentication (MAC address)
Network Storage	NAS (NFS, SMB/CIFS),Auto Network Replenishment (ANR)
Client	iVMS-4200,Hik-Connect,Hik-Central
Web Browser	Plug-in required live view: IE 10, IE 11
	Plug-in free live view: Chrome 57.0+, Firefox 52.0+, Edge 89+
	Local service: Chrome 57.0+, Firefox 52.0+, Edge 89+
Image
Image Parameters Switch	Yes
Image Settings	Rotate mode,saturation,brightness,contrast,sharpness,gain,white balance,adjustable by client software or web browser
Day/Night Switch	Day,Night,Auto,Schedule
Image Enhancement	BLC,HLC,3D DNR
SNR	≥ 52 dB
Wide Dynamic Range (WDR)	120 dB
Privacy Mask	4 programmable polygon privacy masks
Interface
Ethernet Interface	1 RJ45 10 M/100 M self-adaptive Ethernet port
On-Board Storage	Built-in memory card slot, support microSD/microSDHC/microSDXC card, up to 512 GB
Audio	Built-in Microphone: Arrayed dual-microphone
	1 input (line in), two-core terminal block, max. input amplitude: 3.3 Vpp, input impedance: 4.7 KΩ, interface type: non-equilibrium
	1 output (line out), two-core terminal block, max. output amplitude: 3.3 Vpp, output impedance: 100 Ω, interface type: non-equilibrium
Alarm	1 input, 1 output (max. 24 VDC/24 VAC, 1 A)
Reset Key	Yes
Event
Basic Event	Motion detection (support alarm triggering by specified target types (human and vehicle)),video tampering alarm,exception
Smart Event	Scene change detection
Linkage	Upload to FTP/NAS/memory card,notify surveillance center,send email,trigger alarm output,trigger recording,trigger capture,audible warning
Deep Learning Function
Face Capture	Yes
Perimeter Protection	Line crossing, intrusion, region entrance, region exiting
	Support alarm triggering by specified target types (human and vehicle)
General
Power	12 VDC ± 25%, 1.21 A, max. 14.5 W,two-core terminal block,reverse polarity protection
	PoE: IEEE 802.3at, Class 4, max. 18 W
Material	Front cover: metal, body: metal, bracket: metal
Dimension	Ø140 mm x 333.8 mm (Ø5.51" x 13.14")
Package Dimension	385 mm x 190 mm x 180 mm (15.2" x 7.5" x 7.1")
Weight	Approx. 1520 g (3.4 lb.)
With Package Weight	Approx. 2520 g (5.6 lb.)
Storage Conditions	-30 degreesC to 60 degreesC (-22 degreesF to 140 degreesF). Humidity 95% or less (non-condensing)
Startup and Operating Conditions	-30 degreesC to 60 degreesC (-22 degreesF to 140 degreesF). Humidity 95% or less (non-condensing)
General Function	Heartbeat,mirror,password reset via email,pixel counter,anti-banding
Language	33 languages: English, Russian, Estonian, Bulgarian, Hungarian, Greek, German, Italian, Czech, Slovak, French, Polish, Dutch, Portuguese, Spanish, Romanian, Danish, Swedish, Norwegian, Finnish, Croatian, Slovenian, Serbian, Turkish, Korean, Traditional Chinese, Thai, Vietnamese, Japanese, Latvian, Lithuanian, Portuguese (Brazil), Ukrainian
Flashing Light	/SRB model: Red and Blue Light
	/SL model: White Light
Approval
EMC	CE-EMC: EN 55032:2015+A1:2020, EN 50130-4:2011+A1:2014, EN IEC 61000-3-2:2019+A1:2021, EN 61000-3-3:2013+A1:2019+A2:2021
	IC: ICES-003: Issue 7
	RCM: AS/NZS CISPR 32: 2015
	KC: KN32: 2015, KN35: 2015
Safety	CB: IEC 62368-1: 2014+A11
	CE-LVD: EN 62368-1: 2014/A11: 2017
Environment	CE-RoHS: 2011/65/EU
	WEEE: 2012/19/EU
	Reach: Regulation (EC) No 1907/2006
Protection	IP67: IEC 60529-2013,IK10: IEC 62262:2002