HIKVISION DS-2CD3121G2E-LIU(2.8mm) 2MP HYBRID LIGHT DOME
The HIKVISION DS-2CD3121G2E-LIU is a compact 2MP Hybrid Light Dome Network Camera that combines advanced imaging, intelligent analytics, and robust design for reliable everyday surveillance. It is designed to deliver clear images in all lighting conditions while offering smart detection features that reduce false alarms, making it an ideal choice for both residential and commercial security setups.
Specification |
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Camera | |
Image Sensor | 1/2.9″ Progressive Scan CMOS |
Max. Resolution | 1920 Ă— 1080 |
Min. Illumination | Color: 0.01 Lux @ (F2.0, AGC ON), 0 Lux with light |
Shutter Time | 1/3 s to 1/100,000 s |
Day & Night | IR cut filter |
Angle Adjustment | Pan: 0° to 355°, tilt: 0° to 75°, rotate: 0° to 355° |
Lens |
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Lens Type | Fixed focal lens, 2.8 and 4 mm optional |
Focal Length & FOV | 2.8 mm, horizontal FOV 99.5°, vertical FOV 55.5°, diagonal FOV 116.1°4 mm, horizontal FOV 76.8°, vertical FOV 41.5°, diagonal FOV 90.8° |
Lens Mount | M12 |
Iris Type | Fixed |
Aperture | F2.0 |
DORI | |
DORI | 2.8 mm, D: 59 m, O: 23 m, R: 11 m, I: 5 m4 mm, D: 79 m, O: 31 m, R: 15 m, I: 7 m |
Illuminator |
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Supplement Light Type | IR, White Light |
Supplement Light Range | Up to 30 m |
Smart Supplement Light | Yes |
IR Wavelength | 850 nm |
Video |
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Main Stream | 50 Hz: 25 fps (1920 Ă— 1080, 1280 Ă— 720)60 Hz: 30 fps (1920 Ă— 1080, 1280 Ă— 720) |
Sub-Stream | 50 Hz: 25 fps (1280 Ă— 720, 640 Ă— 480, 640 Ă— 360)60 Hz: 30 fps (1280 Ă— 720, 640 Ă— 480, 640 Ă— 360) |
Video Compression | Main stream: H.265+/H.265/H.264+/H.264,Sub-stream: H.265/H.264/MJPEG |
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 |
Region of Interest (ROI) | 1 fixed region for main stream and sub-stream |
Audio |
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Audio Type | Mono sound |
Environment Noise Filtering | Yes |
Audio Sampling Rate | 8 kHz/16 kHz |
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) |
Network |
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Security | Password protection, complicated password, HTTPS encryption, 802.1X authentication (EAP-MD5), watermark, basic and digest authentication for HTTP/HTTPS, WSSE anddigest authentication for Open Network Video Interface, RTP/RTSP over HTTPS,
security audit log, TLS 1.2, TLS 1.3, host authentication (MAC address) |
Simultaneous Live View | Up to 6 channels |
API | Open Network Video Interface (Profile S, Profile G), ISAPI, SDK |
Protocols | TCP/IP, ICMP, DHCP, DNS, HTTP, RTP, RTSP, NTP, IGMP, IPv6, UDP, QoS, FTP, SMTP,HTTPS, DDNS, UPnP, 802.1X |
User/Host | Up to 32 users3 user levels: administrator, operator, and user |
Client | iVMS-4200, Hik-Connect |
Web Browser | Plug-in required live view: IE 10, IE 11,Local service: Chrome 57.0+, Firefox 52.0+, Edge 89+ |
Image |
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Wide Dynamic Range (WDR) | Digital WDR |
SNR | ≥ 52 dB |
Day/Night Switch | Day, Night, Auto, Schedule |
Image Enhancement | BLC, HLC, 3D DNR |
Image Settings | Rotate mode, saturation, brightness, contrast, sharpness, gain, white balance,adjustable by client software or web browser |
Privacy Mask | 4 programmable polygon privacy masks |
Interface |
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Ethernet Interface | 1 RJ45 10 M/100 M self-adaptive Ethernet port |
Built-in Microphone | Yes |
Event |
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Basic Event | Motion detection (support alarm triggering by specified target types (human andvehicle)), video tampering alarm, exception |
Smart Event | Line crossing detection, intrusion detection |
Linkage | Upload to FTP, send email, notify surveillance center, trigger capture |
General |
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Power | 12 VDC ± 25%, 0.5 A, max. 6 W, Ă˜5.5 mm coaxial power plug, reverse polarity protection,PoE: IEEE 802.3af, Class 3, max. 7.5 W |
Material | Base: aluminum alloy, cover: plastic |
Dimension | Ă˜121.5 mm Ă— 97.6 mm (Ă˜4.78″ Ă— 3.84″) |
Package Dimension | 150 mm Ă— 150 mm Ă— 141 mm (5.9″ Ă— 5.9″ Ă— 5.6″) |
Weight | Approx. 490 g (1.1 lb.) |
With Package Weight | Approx. 680 g (1.5 lb.) |
Storage Conditions | -30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing) |
Startup and OperatingConditions | -30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing) |
Language | English, Turkish, Polish, Romanian, Czech, Slovak, Traditional Chinese, Thai,Vietnamese, Croatian, Slovenian, Serbian, Ukrainian |
General Function | Heartbeat, mirror, password reset via email, pixel counter, password protection,anti-banding |
Approval |
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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 |
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 |
Protection | IP67: IEC 60529-2013, IK08: IEC 62262:2002 |
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