DS-2CD2643G2-LIZS2U/SRB(2.8-12mm) - is a professional IP bullet camera designed for active and intelligent video surveillance of outdoor environments. It guarantees extremely detailed images thanks to 4 MP resolution and true 120 dB WDR technology , ideal even in strong backlighting. It is equipped with a 2.8–12 mm motorized varifocal lens , which allows precise remote adjustment of the field of view to adapt to any scenario. AcuSense technology with artificial intelligence and deep learning allows advanced detection of people and vehicles, reducing false alarms. The Smart Hybrid Light system with IR, white light, red/blue strobe and acoustic warning performs a powerful deterrent function. Robust structure with IP67 and IK10 protection for maximum outdoor reliability. Hikvision
referencia : DS-2CD2643G2-LIZS2U/SRB(2.8-12mm
brand : Hikvision
EAN: 6942160485393
DS-2CD2643G2-LIZS2U/SRB(2.8-12mm) – VARIFOCAL LENS BULLET CAMERA 2.8-12mm 4MP - HUMAN AND VEHICLE DETECTION - DEEP LEARNING FUNCTION

The Hikvision DS-2CD2643G2-LIZS2U/SRB is a professional IP bullet camera designed for active and intelligent video surveillance of outdoor environments. It ensures extremely detailed images thanks to 4 MP resolution and true 120 dB WDR technology , ideal even in the presence of strong light contrasts. It is equipped with a 2.8–12 mm motorized varifocal lens , which allows precise remote adjustment of the field of view to adapt to any installation scenario. AcuSense technology with artificial intelligence and deep learning allows accurate detection of people and vehicles, reducing false alarms. The Smart Hybrid Light system with IR, white light, red/blue strobe and acoustic warning performs a powerful active deterrent function. Robust construction with IP67 and IK10 protection for maximum outdoor reliability.
Main features:
- Resolution 4 MP (2688×1520)
- Motorized varifocal optics 2.8–12 mm
- AcuSense technology with deep learning
- Intelligent detection of people and vehicles
- Smart Hybrid Light with IR, white light and red/blue strobe
- Integrated acoustic warning with speaker
- Real WDR 120 dB
- Built-in dual microphone
- H.265+ video compression
- IP67 and IK10 outdoor protection
Further details
2.8–12 mm motorized varifocal lens allows precise and remote adjustment of the field of view , adapting the shooting to different distances and installation scenarios for flexible and professional surveillance.
4 MP The 2688×1520 Progressive Scan CMOS sensor delivers high-definition images , ideal for accurately identifying people, vehicles and relevant details.
Intelligent motion detection is optimized by AI to only report relevant events, increasing operational efficiency.
Intelligent motion detection is optimized by AI to distinguish significant from insignificant movements.
Deep learning features include perimeter protection with line crossing and intrusion detection, with targeted classification of people and vehicles.
Support for the main network protocols (ONVIF Profile S/G, TCP/IP, HTTPS, RTSP, IPv4/IPv6) guarantees maximum compatibility and integration with IP video surveillance systems.
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Technical data sheet
| DS-2CD2383G2-LI2U/SRB(2.8mm) | |
| Room | |
| Image Sensor | 1/3" Progressive Scan CMOS |
| Max. Resolution | 2688 × 1520 |
| Min. Illumination | Color: 0.005 Lux @ (F1.6, 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 90°,rotate: 0° to 360° |
| Lens | |
| Lens Type | Varifocal lens, motorized lens, 2.8 to 12 mm |
| Focal Length & FOV | horizontal FOV 102.4° to 31.2°, vertical FOV 54.7° to 17.6°, diagonal FOV 122.1° to 35.8° |
| Lens Mount | Ø14 |
| Iris Type | Fixed |
| Openings | F1.6 |
| Illuminator | |
| Supplement Light Type | IR, White Light |
| Supplement Light Range | Up to 60 m |
| Smart Supplement Light | Yes |
| IR Wavelength | 850mm |
| Video | |
| Main Stream | 50 Hz: 25 fps (2688 × 1520, 1920 × 1080, 1280 × 720) 60 Hz: 30 fps (2688 × 1520, 1920 × 1080, 1280 × 720) |
| Sub-Stream |
50Hz: 25fps (1280×720, 640×480, 640×360) |
| Third Stream |
50Hz: 10fps (1920×1080, 1280×720, 640×480, 640×360) |
| Video Compression |
Main stream: H.265/H.264/H.264+/H.265+, |
| 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 |
| Scalable Video Coding (SVC) |
H.264 and H.265 encoding |
| Target Cropping |
Yes |
| 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 |
| Simultaneous Live View |
Up to 6 channels |
| API | ONVIF (Profile S, Profile G),ISAPI,SDK,ISUP |
| Security |
Password protection, complicated password, HTTPS encryption, IP address filter, Security Audit Log, basic and digest authentication for HTTP/HTTPS, TLS 1.1/1.2/1.3, WSSE and digest authentication for Open Network Video Interface |
| User/Host |
Up to 32 users. |
| Client |
iVMS-4200,Hik-Connect,Hik-Central |
| Network Storage |
NAS (NFS, SMB/CIFS),Auto Network Replenishment (ANR), |
| Web Browser |
Plug-in required live view: IE 11, |
| Image | |
| Image Parameters Switch |
Yes |
| Day/Night Switch |
Day, Night, Auto, Schedule |
| Wide Dynamic Range (WDR) |
120 dB |
| SNR | ≥ 52 dB |
| Image Enhancement | BLC, HLC, 3D DNR |
| Privacy Mask |
8 programmable polygon privacy masks |
| Interface | |
| Ethernet Interface | 1 RJ45 10M/100M self-adaptive Ethernet port |
| On-Board Storage | Built-in memory card slot, support microSD/microSDHC/microSDXC card, up to 512GB |
| Reset Key | Yes |
| Built-in Speaker | 1 built-in speaker, Max. power consumption: 2 W, max. sound pressure level: 10 cm: 120 dB. |
| 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) |
| Event | |
| Basic Event | Motion detection (support alarm triggering by specified target types (human and vehicle)), video tampering alarm, exception |
| Smart Event | Face detection |
| Linkage | Upload to FTP/NAS/memory card,notify surveillance center,send email,trigger recording,trigger capture,audible warning,strobe light flashing |
| Deep Learning Function | |
| Perimeter Protection | Line crossing, intrusion Support alarm triggering by specified target types (human and vehicle) |
| General | |
| Power |
12 VDC ± 25%, 1.21 A, max. 14.5 W,Ø5.5 mm coaxial power plug,reverse polarity protection, |
| Material |
Metal |
| Dimension |
298 mm × 97.9 mm × 95.7 mm (11.8" × 3.9" × 3.8") |
| Package Dimension |
385 mm × 190 mm × 180 mm (15.2" × 7.5" × 7.1") |
| Weight |
Approx. 1531 g (3.4 lb.) |
| With Package Weight |
Approx. 2000 g (4.4 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, mirror, flash log, password reset via email, password protection, anti-banding |
| Flashing Light |
SRB models: Red and Blue 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, RCM: AS/NZS CISPR 32: 2015, IC: ICES-003: Issue 7, KC: KN32: 2015, KN35: 2015 |
| Safety | CB: IEC 62368-1: 2014+A11, CE-LVD: EN 62368-1: 2014/A11: 2017 LOA: IEC/EN 60950-1 |
| Environment |
CE-RoHS (2011/65/EU) |
| Protection |
IP67: IEC 60529-2013 |


