8MP Acusense IP Camera with 2.8mm Lens, Smart Hybrid Light, Integrated Audio and 120 dB WDR IP67 - Hikvision
DS-2CD2083G2-LI2U(2.8mm) - is a bullet camera with 2.8mm lens designed for advanced ultra-high definition video surveillance, offering extremely detailed images thanks to the 8 MP (4K) resolution and wide viewing angle. Acusense technology with artificial intelligence allows precise recognition of people and vehicles , reducing false alarms and improving operational efficiency. The Smart Hybrid Light system with IR and white light up to 40 m guarantees optimal visibility even in total darkness, while the real 120 dB WDR ensures balanced images even in strong backlighting. Equipped with a built-in dual microphone , H.265+ compression and IP67 protection , it represents a reliable solution for professional indoor and outdoor installations. Hikvision
DS-2CD2083G2-LI2U(2.8mm) – FIXED LENS BULLET CAMERA 2.8mm 8MP - HUMAN AND VEHICLE DETECTION - DEEP LEARNING FUNCTION

The Hikvision DS-2CD2083G2-LI2U bullet IP camera with 2.8mm lens is a professional solution for ultra-high definition video surveillance, ideal for both outdoor and indoor environments. The 8 MP (4K) resolution ensures extremely detailed images, while Acusense technology with artificial intelligence allows for accurate detection of people and vehicles. The Smart Hybrid Light system with IR and white light up to 40 m ensures optimal visibility even in the dark, supported by 120 dB real WDR for high-contrast scenes. The presence of the integrated dual microphone , H.265+ compression and IP67 protection make this camera reliable and high-performance in any security scenario.
Main features:
- 8 MP (3840×2160) Ultra HD resolution
- 2.8mm fixed optics with wide viewing angle
- Acusense AI technology for people and vehicles
- Smart Hybrid Light with IR and white light up to 40 m
- Real WDR 120 dB
- Built-in dual microphone
- H.265+ video compression
- IP67 protection for outdoor installations
Further details
The 2.8 mm fixed lens guarantees a wide viewing angle of up to 108° , ideal for monitoring large areas with a single camera, improving the coverage and efficiency of video surveillance.
The 8 Megapixel CMOS sensor (3840×2160) ensures extremely detailed 4K images , essential for the precise identification of faces, people and vehicles even at long distances.
Acusense deep learning technology analyzes motion in real time, distinguishing real events from environmental disturbances and increasing the reliability of the security system.
The vehicle detection function allows for accurate control of access, parking and transit areas, improving security management for residential and professional contexts.
The intelligent motion detection system supports filtering by target type, ensuring precise notifications and optimized management of video surveillance events.
Deep learning features support perimeter protection such as line crossing and intrusion, with intelligent person and vehicle classification for precise control of critical areas.
Support for major network protocols such as ONVIF, TCP/IP, HTTPS, RTSP, IPv4, and IPv6 ensures maximum compatibility , seamless integration, and secure management within IP video surveillance systems.
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Technical data sheet
| DS-2CD2023G2-LI2U(2.8mm) | |
| Room | |
| Image Sensor | 1/2.8" Progressive Scan CMOS |
| Max. Resolution | 3840 × 2160 |
| 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, 2.8 mm |
| Focal Length & FOV | horizontal FOV 108°, vertical FOV 59°, diagonal FOV 127° |
| Lens Mount | M12 |
| Iris Type | Fixed |
| Openings | F1.6 |
| Depth of Field | 1.7 m to ∞ |
| Illuminator | |
| Supplement Light Type | IR, White Light |
| Supplement Light Range | Up to 40 m |
| Smart Supplement Light | Yes |
| IR Wavelength | 850mm |
| Video | |
| Main Stream | 50 Hz: 20 fps (3840 × 2160) 25 fps (3200 × 1800, 2688 × 1520, 1920 × 1080, 1280 × 720) 60 Hz: 25 fps (3840 × 2160) 30 fps (3200 × 1800, 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 160 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 | |
| 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 |
| Simultaneous Live View |
Up to 6 channels |
| API | ONVIF (Profile S, Profile G, Profile T),ISAPI,SDK,ISUP |
| 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 |
| 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 |
| Wide Dynamic Range (WDR) |
120 dB |
| SNR | ≥ 52 dB |
| Day/Night Switch |
Day, Night, Auto, Schedule |
| 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 |
| Built-in Microphone | Built-in Microphone: Arrayed dual-microphone |
| Reset Key | Yes |
| 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 |
| Deep Learning Function | |
| Perimeter Protection | Line crossing, intrusion Support alarm triggering by specified target types (human and vehicle) |
| General | |
| Power |
12 VDC ± 25%, 0.5 A, max. 6 W, reverse polarity protection, Ø5.5 mm coaxial power plug, |
| Material |
Metal |
| Dimension |
Ø74.4 mm × 176.3 mm (Ø2.93" × 6.94") |
| Package Dimension |
234 mm × 120 mm × 117 mm (9.21" × 4.72" × 4.61") |
| Weight |
Approx. 510 g (1.1 lb.) |
| With Package Weight |
Approx. 755 g (1.7 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 |
| 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 BIS: IS 13252 (Part 1): 2010/IEC 60950-1: 2005, LOA: IEC/EN 60950-1 |
| Environment |
CE-RoHS (2011/65/EU) |
| Protection |
IP67: IEC 60529-2013 |


