DS-2CD2T123G2-LIS2UY/SRB - is a 12 MP bullet IP camera with a 4 mm F1.6 fixed lens and a 73.1° horizontal field of view, ideal for high-definition UHD video surveillance. It integrates AcuSense 3.0 with intelligent classification of people and vehicles via Deep Learning , Smart Hybrid Light with IR and white light up to 60 m and WDR 120 dB . The /SRB model has a red and blue strobe light and an acoustic alarm for active deterrence. The equipment also includes Face Capture , Arrayed Dual-Mic , Smart PA Speaker, H.265+ compression, PoE IEEE 802.3at , microSD up to 512 GB and IP67 protection with NEMA 4X . Hikvision
DS-2CD2T123G2-LIS2UY/SRB – 12MP 4mm FIXED LENS BULLET CAMERA - ARTIFICIAL INTELLIGENCE - STROBE LIGHT - SMART HYBRID LIGHT

The Hikvision DS-2CD2T123G2-LIS2UY/SRB is a 12 MP bullet IP camera with a 4 mm F1.6 fixed lens and a 73.1° horizontal field of view, ideal for high-definition UHD video surveillance. It integrates AcuSense 3.0 with intelligent classification of people and vehicles via Deep Learning , Smart Hybrid Light with IR and white light up to 60 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 , integrated audio, H.265+ compression, PoE IEEE 802.3at , microSD up to 512 GB and IP67 protection with NEMA 4X .
Main features:
- Resolution: 12 MP
- Lens: 4mm F1.6
- AcuSense 3.0: People and Vehicles
- Smart Hybrid Light: up to 60m
- Face Capture: Supported
- Alarm: red/blue + audio
- PoE: IEEE 802.3at
- Storage: microSD up to 512 GB
- Protection: IP67, NEMA 4X
Further details
4mm fixed lens with F1.6 aperture and 73.1° horizontal, 40.2° vertical and 84.8° diagonal field of view , ideal for focused video surveillance with a high level of detail even from a distance.
1 /1.8" Progressive Scan CMOS sensor with maximum resolution of 12 MP (4608 × 2592 pixels) up to 20 fps , designed to capture sharp and detailed high-definition UHD images.
It integrates Artificial Intelligence algorithms based on Deep Learning to distinguish and classify people and vehicles , increasing detection accuracy in video surveillance scenarios.
It combines IR light and white light with 3 supplemental lighting modes and a range of up to 60 meters , optimizing visibility in night shots and low-light conditions.
Hikvision AcuSense 3.0 technology uses Deep Learning to classify people and vehicles , allowing security events to be focused on the targets of greatest interest.
It supports Face Capture function to acquire faces detected in the scene, expanding the camera's intelligent analysis capabilities.
It integrates Arrayed Dual-Mic for clear audio capture and Smart PA Speaker , with ambient noise filtering to improve sound quality in video surveillance applications.
The /SRB model features a red and blue strobe light coupled with an active audible alarm , providing immediate deterrence through visual and audible warnings.
It offers Deep Learning-based perimeter protection with line crossing, intrusion, area entry and exit detection , supporting alarm triggering for person and vehicle targets .
It supports IEEE 802.3at Class 4 PoE power up to 18W , allowing power and data to be transmitted over a single Ethernet cable for simple installation and wiring.
It has a 10/100 Mbps Ethernet RJ45 port , support ONVIF Profile S/G/T , IPv4/IPv6, HTTPS, RTSP, NAS and ANR ; it manages 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-2CD2T123G2-LIS2UY/SRB | |
| Room | |
| Image Sensor | 1/1.8" Progressive Scan CMOS |
| Max. Resolution | 4608 × 2592 |
| 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 360°,tilt: 0° to 90°,rotate: 0° to 360° |
| Lens | |
| Lens Type | Fixed focal lens, 4mm |
| Focal Length & FOV | horizontal FOV 73.1°, vertical FOV 40.2°, diagonal FOV 84.8° |
| Lens Mount | M16 |
| Iris Type | Fixed |
| Openings | F1.6 |
| Depth of Field | 3.5 m to ∞ |
| Illuminator | |
| Supplement Light Type | White Light, IR |
| Supplement Light Range | Up to 60 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 |
| On-Board Storage | Built-in memory card slot, support microSD/microSDHC/microSDXC card, up to 512GB |
| 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%, 1.41 A, max. 17 W,Ø5.5 mm coaxial power plug, |
| Material |
Front cover: Metal, body: Metal, bracket: Metal |
| Dimension |
88.7 mm × 91.2 mm × 287.2 mm (3.5" × 3.6" × 11.3") |
| Package Dimension |
386 mm × 156 mm × 155 mm (15.2" × 6.1" × 6.1") |
| Weight |
Approx. 1200 g (2.7 lb.) |
| With Package Weight |
Approx. 1745 g (3.9 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 |
| Anti-Corrosion Protection |
NEMA 4X (NEMA 250-2018) |


