DS-2CD1123G2-LIU(F) 2 MP Smart dual-light Illumination Fixed Dome Network Camera
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DS-2CD1123G2-LIU(F) product overview
A compact 2MP fixed-dome network camera for entrances, corridors and protected outdoor positions. It combines selectable 2.8 mm or 4 mm lenses, infrared and white-light illumination, human and vehicle detection, a built-in microphone and impact-resistant construction.
Key features
- 2MP imaging up to 1920 x 1080
- 2.8 mm and 4 mm fixed-lens options
- IR and white light up to 30 m
- Human and vehicle detection
- Built-in microphone and PoE
- IP67 and IK08 protection
Best-fit applications
- Building entrances and corridors
- Retail and office interiors
- Covered outdoor walkways
- Sites needing a compact vandal-resistant dome
Compatibility and pre-order checks
- Choose 2.8 mm for the wider listed view or 4 mm for a narrower view only after measuring the scene and target distance.
- Confirm whether the selected -F variant is required for microSD storage and the listed profile support.
- Verify recorder support for 2MP streams, event filtering, audio, storage and notification workflows.
- Confirm mounting surface, weather sealing, PoE budget, privacy requirements, regional suffix and firmware.
Frequently asked questions
What does the -F suffix change?
The listing associates the -F version with onboard microSD support and additional interface details. Confirm the complete model suffix before ordering.
Can the camera use infrared and white light?
The product data lists both IR and white-light supplement up to 30 m. Configure the operating mode for the site and local lighting policy.
Is the built-in microphone available on the listed model?
Yes, the current listing specifies a built-in microphone. Recorder audio support and local privacy rules still need verification.
Related planning resources
Complete product data
the listed device DS-2CD1123G2-LIU(F) 2 MP smart dual-light illumination Fixed Dome Network Camera
- High quality imaging with 2 MP resolution
- Support Human and Vehicle Detection
- smart dual-light illumination: advanced technology with long range
- Built-in microphone for real-time audio security
- Efficient H.265 compression technology
- Support on-board storage up to 512 GB (SD card slot) (Optional)
-
Water and dust resistant (IP67) and vandal resistant (IK08)
Available models:
DS-2CD1123G2-LIU(2.8mm)DS-2CD1123G2-LIU(4mm)- Camera
- Image Sensor1/2.9" Progressive Scan CMOS
- Max. Resolution1920 × 1080
- Min. IlluminationColor: 0.005 Lux @ (F1.6, AGC ON),B/W: 0 Lux with IR
- Shutter Time1/3 s to 1/100,000 s
- Day & NightIR cut filter
- Angle AdjustmentPan: 0° to 355°,tilt: 0° to 75°,rotate: 0° to 355°
- Lens
- Lens TypeFixed focal lens, 2.8 and 4 mm optional
-
Focal Length & FOV
2.8 mm, horizontal FOV 103°, vertical FOV 56°, diagonal FOV 121°
4 mm, horizontal FOV 83°, vertical FOV 44°, diagonal FOV 99°
- Lens MountM12
- Iris TypeFixed
- ApertureF1.6
- DORI
-
DORI
2.8 mm, D: 45 m, O: 18 m, R: 9 m, I: 4 m
4 mm, D: 56 m, O: 22 m, R: 11 m, I: 5 m
- Illuminator
- Supplement Light TypeIR,White Light
- Supplement Light RangeUp to 30 m
- Smart Supplement LightYes
- IR Wavelength850 nm
- Video
-
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)
-
Video Compression
Main stream: H.265 compression/H.265/H.264 compression/H.264,
Sub-stream: H.265/H.264/MJPEG
- Video Bit Rate32 Kbps to 8 Mbps
- H.264 TypeBaseline Profile,Main Profile,High Profile
- H.265 TypeMain Profile
- Bit Rate ControlCBR,VBR
- Region of Interest (ROI)1 fixed region for main stream
- Audio
- Audio TypeMono sound
- Environment Noise FilteringYes
- Audio Sampling Rate8 kHz/16 kHz
- Audio Compression G.711ulaw/G.711alaw/G.722.1/G.726/MP2L2/PCM/AAC-LC
- Audio Bit Rate64 Kbps (G.711 ulaw)/64 Kbps (G.711 alaw)/16 Kbps (G.722.1)/16 Kbps (G.726)/32 to 160 Kbps (MP2L2)/16 to 64 Kbps (AAC-LC)
- Network
- SecurityPassword protection, complicated password, watermark, basic and digest authentication for HTTP, WSSE and digest authentication for Open Network Video Interface, security audit log, host authentication (MAC address)
- Simultaneous Live ViewUp to 6 channels
- APIOpen Network Video Interface (Profile S, Profile T, Profile G (only -F model supports)),ISAPI,SDK
- ProtocolsTCP/IP, ICMP, DHCP, DNS, HTTP, RTP, RTSP, RTCP, NTP, IGMP, IPv4, IPv6, UDP, QoS, FTP, SMTP
-
User/Host
Up to 32 users
3 user levels: administrator, operator, and user
- Clientvideo management software,mobile app
-
Web Browser
Plug-in required live view: IE 10, IE 11,
Local service: Chrome 57.0+, Firefox 52.0+
- Image
- Wide Dynamic Range (WDR)Digital WDR
- SNR≥ 52 dB
- Day/Night SwitchDay,Night,Auto,Schedule
- Image EnhancementBLC,HLC,3D DNR
- Image SettingsRotate mode,saturation,brightness,contrast,sharpness,gain,white balance,adjustable by client software or web browser
- Privacy Mask4 programmable polygon privacy masks
- Interface
- Ethernet Interface1 RJ45 10 M/100 M self-adaptive Ethernet port
- On-Board Storage-F: Built-in memory card slot, support microSD/microSDHC/microSDXC card, up to 512 GB
- Built-in MicrophoneYes
- Reset Key-F: Yes
- Event
- Basic Event Motion detection (support alarm triggering by specified target types (human and vehicle)),video tampering alarm,exception
- LinkageUpload to FTP/memory card (-F), send email, notify surveillance center, trigger recording (-F), trigger capture
- General
-
Power
12 VDC ± 25%, 0.5 A, max. 6 W,Ø5.5 mm coaxial power plug,reverse polarity protection,
PoE: IEEE 802.3af, Class 3, max. 7.5 W
- MaterialMetal & Plastic
- DimensionØ121.4 mm × 97.7 mm (Ø4.8" × 3.8")
- Package Dimension150 mm × 150 mm × 141 mm (5.9" × 5.9" × 5.6")
- WeightApprox. 550 g (1.2 lb.)
- With Package WeightApprox. 800 g (1.8 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)
- LanguageEnglish, Ukrainian
- General FunctionHeartbeat,anti-banding,mirror,password protection,password reset via email
- Approval
-
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,
RCM: AS/NZS CISPR 32: 2015,
IC: ICES-003: Issue 7
-
Safety
UL: UL 62368-1,
CB: IEC 62368-1: 2014+A11,
CE-LVD: EN 62368-1: 2014/A11: 2017,
BIS: IS 13252 (Part 1): 2010/IEC 60950-1: 2005
-
Environment
CE-RoHS: 2011/65/EU,
WEEE: 2012/19/EU,
Reach: Regulation (EC) No 1907/2006
- ProtectionIP67: IEC 60529-2013,IK08: IEC 62262:2002



