DS-2CD2043G2-LI2U 4MP Acusense IP Camera with 2.8mm Lens, Smart Hybrid Light, Integrated Audio and 120 dB WDR IP67 - Hikvision
DS-2CD2043G2-LI2U(2.8mm) - is a bullet camera with 2.8mm lens, ideal for professional video surveillance thanks to its 4 MP resolution and wide 104° viewing angle, ensuring detailed images in any scenario. It integrates Acusense technology with artificial intelligence for accurate distinction between people and vehicles, reducing false alarms. The Smart Hybrid Light system with IR and white light up to 40 m ensures optimal visibility even in total darkness, while the real 120 dB WDR improves backlit shots. Equipped with a built-in dual microphone , H.265+ compression and IP67 protection, it is a reliable solution for outdoor and indoor environments. Hikvision
DS-2CD2043G2-LI2U(2.8mm) – FIXED LENS BULLET CAMERA 2.8mm 4MP - HUMAN AND VEHICLE DETECTION - DEEP LEARNING FUNCTION

The Hikvision DS-2CD2043G2-LI2U bullet IP camera with 2.8mm lens is an advanced solution for professional video surveillance, designed to ensure clear images thanks to its 4 MP resolution and wide viewing angle. Acusense technology with artificial intelligence allows for accurate recognition of people and vehicles, reducing false alarms. The Smart Hybrid Light system with IR and white light up to 40 m ensures effective recording even in total darkness, while the real 120 dB WDR improves the management of scenes with strong backlighting. The integrated dual microphone , H.265+ compression and IP67 protection complete the features, ideal for indoor and outdoor installations.
Main features:
- 4 MP resolution
- 2.8mm fixed optics with wide viewing angle
- Acusense technology with AI 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 use
Further details
The 2.8mm wide-angle fixed lens offers a wide field of view of up to 104° , ideal for monitoring large areas in a single frame, improving coverage and reducing blind spots.
The 4 Megapixel CMOS sensor (2688×1520) guarantees high definition images , with sharp details useful for identifying people, vehicles and objects even from a distance.
Acusense deep learning technology analyzes the scene in real time, distinguishing real events from environmental disturbances and increasing the reliability of the video surveillance system.
The vehicle detection function allows for precise control of access and transit areas, making the camera ideal for car parks, driveways and industrial areas.
The advanced motion detection system supports filtering by target type, improving the accuracy of alerts and optimizing the management of security events.
Face detection automatically identifies the presence of faces in the frame, increasing the level of video analytics for advanced security applications.
The built-in dual-channel array microphone enables high-quality audio recording, adding an extra layer of information to your video surveillance.
Support for major network protocols such as ONVIF, TCP/IP, HTTPS, RTSP, IPv4/IPv6 ensures maximum compatibility , simple integration and secure management within professional video surveillance systems.
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Technical data sheet
| DS-2CD2043G2-LI2U(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 360°,tilt: 0° to 90°,rotate: 0° to 360° |
| Lens | |
| Lens Type | Fixed focal lens, 2.8 mm |
| Focal Length & FOV | horizontal FOV 104°, vertical FOV 57°, diagonal FOV 122° |
| Lens Mount | M12 |
| Iris Type | Fixed |
| Openings | F1.6 |
| Depth of Field | 1.4 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: 25 fps (2688 × 1520, 1920 × 1080, 1280 × 720) 60 Hz: 24 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 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. 515 g (1.1 lb.) |
| With Package Weight |
Approx. 760 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 |


