Hikvision DS-2CD2T23G2-2I/4I

Image Sensor

1/2.8″ Progressive Scan CMOS

Max. Resolution

1920 × 1080

Min. Illumination

Color: 0.005 Lux @ (F1.6, 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: 0° to 360°,tilt: 0° to 90°,rotate: 0° to 360°

Lens Type

Fixed focal lens, 2.8, 4, and 6 mm optional

Focal Length & FOV

2.8 mm, horizontal FOV 107°, vertical FOV 57°, diagonal FOV 127°;4 mm, horizontal FOV 87°, vertical FOV 46°, diagonal FOV 104°;6 mm, horizontal FOV 54°, vertical FOV 29°, diagonal FOV 63°

Lens Mount

M12

Iris Type

Fixed

Aperture

F1.6

Depth of Field

2.8 mm: 1 m to ∞;4 mm: 1.2 m to ∞;6 mm: 2.8 m to ∞

DORI

2.8 mm: D: 44 m, O: 17 m, R: 9 m, I: 4 m;4 mm: D: 54 m, O: 21 m, R: 11 m, I: 5 m;6 mm: D: 88 m, O: 35 m, R: 18 m, I: 9 m

Supplement Light Type

IR

Supplement Light Range

-2I: up to 60 m, -4I: up to 80 m

Smart Supplement Light

Yes

IR Wavelength

850 nm

Main Stream

50 Hz: 25 fps (1920 × 1080, 1280 × 720);60 Hz: 30 fps (1920 × 1080, 1280 × 720)

Sub-Stream

50 Hz: 25 fps (640 × 480, 640 × 360);60 Hz: 30 fps (640 × 480, 640 × 360)

Third Stream

50 Hz: 10 fps (1920 × 1080, 1280 × 720, 640 × 480, 640 × 360);60 Hz: 10 fps (1920 × 1080, 1280 × 720, 640 × 480, 640 × 360)

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

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(s) for main stream and sub-stream

Protocols

TCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, NTP, UPnP, SMTP, IGMP, 802.1X, QoS, IPv6, UDP, Bonjour, SSL/TLS, PPPoE, SNMP, WebSocket, WebSockets

Simultaneous Live View

Up to 6 channels

API

Open Network Video Interface (Profile S, Profile G, Profile T),ISAPI,SDK

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 1.3, 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+,;Local service: Chrome 57.0+, Firefox 52.0+

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

Wide Dynamic Range (WDR)

120 dB

SNR

≥ 52 dB

Image Enhancement

BLC,HLC,3D DNR

Privacy Mask

Yes

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

Reset Key

Yes

Basic Event

Motion detection (support alarm triggering by specified target types (human and vehicle)),video tampering alarm,exception

Linkage

Upload to FTP/NAS/memory card,notify surveillance center,send email,trigger recording,trigger capture

Perimeter Protection

Line crossing, intrusion;Support alarm triggering by specified target types (human and vehicle)

Power

2I: 12 VDC ± 25%, 0.63 A, max. 7.6 W, Ø5.5 mm coaxial power plug, reverse polarity protection, PoE: IEEE 802.3af, Class 3, 36 V to 57 V, 0.25 A to 0.16 A, max. 9 W;4I: 12 VDC ± 25%, 0.88 A, max. 10.6 W, Ø5.5 mm coaxial power plug, reverse polarity protection, PoE: IEEE 802.3af, Class 3, 36 V to 57 V, 0.34 A to 0.21 A, max. 12 W

Material

Front cover: metal, back cover: metal

Dimension

289 mm × 93.1 mm × 91.2 mm (11.4″ × 3.7″ × 3.6″)

Package Dimension

386 mm × 156 mm × 155 mm (15.2″ × 6.2″ × 6.2″)

Weight

Approx. 1100 g (2.4 lb.)

With Package Weight

Approx. 1599 g (3.5 lb.)

Storage Conditions

-30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing)

Startup and Operating Conditions

-30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing)

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

General Function

Heartbeat,anti-flicker,password reset via email,pixel counter

EMC

FCC: 47 CFR Part 15, Subpart B,;CE-EMC: EN 55032: 2015, EN 61000-3-2:2019, EN 61000-3-3: 2013+A1:2019, EN 50130-4: 2011 +A1: 2014, ;IC: ICES-003: Issue 7,;KC: KN32: 2015, KN35: 2015

Safety

UL: UL 62368-1,;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