DS-2CD2H123G2-LIZS2UY/SRB 12MP AcuSense 3.0 Varifocal IP Camera 2.8-12mm Smart Hybrid Light - Hikvision
DS-2CD2H123G2-LIZS2UY/SRB - is a 12 MP turret IP camera with 2.8-12 mm motorized varifocal lens and up to F1.2 aperture, ideal for precisely adjusting the monitoring area. It integrates AcuSense 3.0 with people and vehicle classification via Deep Learning , Smart Hybrid Light with IR and white light up to 40 m and 120 dB WDR . The /SRB model offers red and blue strobe light and audible alarm for active deterrence. It also features Face Capture , Arrayed Dual-Mic , Smart PA Speaker, H.265+ compression, IEEE 802.3at PoE , microSD up to 512 GB and IP67, IK10 and NEMA 4X protection. Hikvision
Technical data sheet not available
DS-2CD2H123G2-LIZS2UY/SRB – 2.8-12mm 12MP VARIFOCAL TURRET CAMERA - ARTIFICIAL INTELLIGENCE - STROBE LIGHT - SMART HYBRID LIGHT - DARKFIGHT

The Hikvision DS-2CD2H123G2-LIZS2UY/SRB is a 12 MP turret IP camera with 2.8-12 mm motorized varifocal lens and up to F1.2 aperture, ideal for precisely adjusting the field of view and zoom. It integrates AcuSense 3.0 with people and vehicle classification via Deep Learning , Smart Hybrid Light with IR and white light up to 40 m and WDR 120 dB . The /SRB model has a red and blue strobe light and an acoustic alarm for active deterrence. The features also include Face Capture , Arrayed Dual-Mic , Smart PA Speaker, PoE IEEE 802.3at , microSD up to 512 GB and IP67, IK10 and NEMA 4X protection.
Main features:
- Resolution: 12 MP
- Lens: 2.8-12 mm motorized
- AcuSense 3.0: People and Vehicles
- Smart Hybrid Light: up to 40 m
- Face Capture: Supported
- Audio: Dual-Mic + speaker
- Alarm: red/blue + audio
- PoE: IEEE 802.3at
- Protection: IP67, IK10, NEMA 4X
Further details
2.8-12mm motorized varifocal lens with F1.2 maximum aperture , adjustable to adapt the framing to your surveillance needs; offers a horizontal field of view from 102° to 44° , ideal for switching from a wide view to more targeted control.
1 /1.8" Progressive Scan CMOS sensor with maximum resolution of 12 MP (4608 × 2592 pixels) up to 20 fps, designed to deliver high-definition UHD images with a high level of detail.
It integrates Artificial Intelligence algorithms based on Deep Learning to automatically recognize and classify people and vehicles , improving the accuracy of video surveillance events and alarms.
It combines IR illumination and white light with 3 supplementary lighting modes and a range of up to 40 meters , automatically adapting the illumination to different night monitoring conditions.
Powered by DarkFighter technology to optimize image quality in low-light conditions, with minimum sensitivity down to 0.005 Lux in color and 0 Lux with IR , promoting effective monitoring even at night.
It integrates Hikvision AcuSense 3.0 , technology that uses Deep Learning to classify people and vehicles , making target identification in security events more accurate.
It supports intelligent Face Capture function , enabling the acquisition of faces detected within the scene to expand video analysis capabilities.
It features a built-in Arrayed Dual-Mic with ambient noise filtering and a 2W Smart PA Speaker up to 120 dB at 10 cm , as well as audio input and output for complete management of sound communications.
The The /SRB model integrates red and blue strobe light and active audible alarm , providing visual and audible deterrence; it also features 1 alarm input and 1 alarm output for integration with external devices.
It offers Deep Learning-based perimeter protection with line crossing, intrusion, area entry and exit detection , supporting alarm triggering based on person or vehicle classification .
It supports IEEE 802.3at Class 4 PoE power with a maximum power consumption of 18W , allowing power and data to be transmitted through a single Ethernet cable and simplifying installation.
It integrates 10/100 Mbps Ethernet RJ45 port, supports ONVIF Profile S/G/T , IPv4/IPv6, HTTPS, RTSP, NAS and ANR ; allows up to 6 simultaneous Live Views , up to 32 users and is compatible with Hik-Connect, iVMS-4200 and Hik-Central .
Technical data sheet
| DS-2CD2H123G2-LIZS2UY/SRB | |
| Room | |
| Image Sensor | 1/1.8" Progressive Scan CMOS |
| Max. Resolution | 4608 × 2592 |
| Min. Illumination | Color: 0.005 Lux @ (F1.2, 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 360°,tilt: 0° to 75°,rotate: 0° to 360° |
| Lens | |
| Lens Type | Varifocal lens, motorized lens, 2.8 to 12 mm |
| Focal Length & FOV | Horizontal FOV 102° to 44°, vertical FOV 54° to 25°, diagonal FOV 123° to 51° |
| Lens Mount | Integrated |
| Iris Type | Fixed |
| Openings | F1.2 |
| Illuminator | |
| Supplement Light Type | White Light, IR |
| Supplement Light Range | Up to 40 m |
| Smart Supplement Light | Yes |
| IR Wavelength | 850mm |
| Video | |
| Main Stream | 50 Hz: 20 fps (4608 × 2592) 25 fps (3840 × 2160, 2688 × 1520, 1920 × 1080, 1280 × 720) 60 Hz: 20 fps (4608 × 2592) 30 fps (3840 × 2160, 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 20 Mbps |
| H.264 Type |
Baseline Profile, Main Profile, High Profile |
| H.265 Type |
Main Profile |
| Scalable Video Coding (SVC) |
H.264 and H.265 encoding |
| Bit Rate Control |
CBR,VBR |
| Region of Interest (ROI) |
1 fixed regions for each stream |
| Target Cropping |
Yes |
| Audio | |
| Audio Type | Mono sound |
| 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)/16 Kbps to 64 Kbps (AAC-LC)/32 to 192 Kbps (MP2L2)/8 to 320 Kbps (MP3) |
| 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 G, Profile T),ISAPI,SDK,ISUP |
| User/Host |
Up to 32 users. |
| Security |
IP address filter, basic and digest authentication for HTTP/HTTPS, TLS 1.3, host authentication (MAC address), watermark, RTP/RTSP over HTTPS, complicated password, AES128/256, Password protection, WSSE and digest authentication for Open Network Video Interface, TLS 1.2, 802.1X authentication(EAP-LEAP,EAP-TLS,EAP-MD5,EAP-PEAP), control timeout settings, HTTPS encryption, security audit log |
| Client |
iVMS-4200,Hik-Connect,Hik-Central |
| Network Storage |
NAS (NFS, SMB/CIFS),Auto Network Replenishment (ANR) |
| Web Browser |
Free live view plug-ins: Chrome 80+, Firefox 80+, Edge 89+, |
| Image | |
| Image Parameters Switch |
Yes |
| Image Settings |
Saturation, brightness, contrast, sharpness, gain, white balance, adjustable by client software or web browser |
| Image Enhancement | BLC,HLC,3D DNR,Distortion Correction,Defog |
| Day/Night Switch |
Day, Night, Auto, Schedule |
| Wide Dynamic Range (WDR) |
120 dB |
| SNR | ≥ 52 dB |
| Privacy Mask |
4 programmable polygon privacy masks |
| Interface | |
| Ethernet Interface | 1 RJ45 10M/100M self-adaptive Ethernet port |
| 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 |
| On-Board Storage | Built-in memory card slot, support microSD/microSDHC/microSDXC card, up to 512GB |
| Alarm | 1 input, 1 output (max. 24 VDC/24 VAC, 1 A) |
| Built-in Speaker | Max. power consumption: 2 W, max. sound pressure level: 10 cm: 97 dB. |
| 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,trigger recording,trigger capture,send email |
| 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%, 1.4 A, max. 18W, reverse polarity protection, |
| Material |
Metal |
| Dimension |
Ø138.6 mm × 123 mm (Ø5.4" × 4.8") |
| Package Dimension |
170 mm × 170 mm × 160 mm (6.7" × 6.7" × 6.3") |
| Weight |
Approx. 860 g (1.9 lb.) |
| With Package Weight |
Approx. 1140 g (2.5 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, mirror, flash log, password reset via email, password protection, anti-banding |
| Flashing Light |
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 |
| Safety | CB: IEC 62368-1: 2014+A11, CE-LVD: EN 62368-1: 2014/A11: 2017 CB: IEC 62368-1: 2014+A11, CE-LVD: EN 62368-1: 2014/A11: 2017 |
| Environment |
CE-RoHS (2011/65/EU) |
| Protection |
IP67: IEC 60529-2013,IK10: IEC 62262:2002 |
| Anti-Corrosion Protection |
NEMA 4X (NEMA 250-2018) |


