DS-2CD2046G2H-IU(2.8mm) - 4 MP resolution bullet network camera with 2.8 mm fixed lens combines AcuSense and DarkFighter technologies to ensure clear and detailed images even in low light conditions. With 4 MP resolution (2688 × 1520) and a wide 100.2° horizontal viewing angle, it is ideal for monitoring entrances, perimeters and passage areas. Thanks to 120 dB WDR technology, it manages scenes with strong backlighting, while H.265+ compression reduces storage space without compromising video quality. The integrated microphone enables real-time audio, improving security. Robust and weatherproof with IP67 protection, it is perfect for both indoor and outdoor installations. Hikvision
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DS-2CD2046G2H-IU(2.8mm) – FIXED LENS BULLET CAMERA 2.8mm 4MP - DARKFIGHTER - HUMAN & VEHICLE DETECTION

The Hikvision DS-2CD2046G2H-IU 4MP network camera with a 2.8 mm fixed lens delivers crisp, detailed images thanks to AcuSense technology with deep learning to distinguish people and vehicles and reduce false alarms. The DarkFighter function ensures excellent performance even in low-light conditions, while 120 dB WDR handles scenes with strong backlighting. H.265+ video compression optimizes storage without compromising quality. The built-in microphone allows for real-time audio recording, improving security. Water and dust resistant with an IP67 rating, it is ideal for indoor and outdoor installations.
Main features:
- 4MP resolution with DarkFighter technology for clear night vision
- 2.8mm fixed lens with 100° horizontal viewing angle
- Intelligent person/vehicle detection with AcuSense
- 120 dB WDR and H.265+ compression for optimized images
- Built-in audio and IP67 weatherproofing
Further details
Fixed lens with 100.2° horizontal viewing angle, ideal for monitoring large areas while reducing blind spots.
4MP (2688 × 1520) CMOS sensor for sharp, detailed images, perfect for identifying faces and objects even from a distance.
Excellent low-light performance, with clear images and accurate colors even in near darkness.
Advanced person detection that distinguishes human subjects from other motion, reducing false alarms.
Accurate identification of moving vehicles, useful for access areas, parking lots and transit zones.
Artificial intelligence algorithms for the intelligent recognition of suspicious objects and behavior, improving security.
Automatic classification of people and vehicles based on deep learning, for reliable notifications and more efficient tracking .
Built-in microphone enables real-time audio recording, improving surveillance effectiveness.
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Technical data sheet
DS-2CD2046G2H-IU(2.8mm) | |
Room | |
Image Sensor | 1/3" Progressive Scan CMOS |
Max. Resolution | 2688 × 1520 |
Min. Illumination | Color: 0.001 Lux @ (F1.0, AGC ON),B/W: 0 Lux with IR |
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 | 2.8mm |
Focal Length & FOV | horizontal FOV 100.2°, vertical FOV 54.7°, diagonal FOV 119.7° |
Openings | F1.0 |
Depth of Field | 1.9 m to ∞ |
Illuminator | |
Supplement Light Type | IR |
Supplement Light Range | Up to 40 m |
Smart Supplement Light | Yes |
IR Wavelength | 850 nm |
Video | |
Main Stream | 50 Hz: 25 fps (2688 × 1520, 1920 × 1080, 1280 × 720) 60Hz: 30fps (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.265+/H.264+ |
Video Bit Rate |
32 Kbps to 8 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 region for main stream and sub-stream |
Audio | |
Audio Type | Mono sound |
Audio Compression |
G.711ulaw/G.711alaw/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 | 8kHz/16kHz/32kHz/44.1kHz/48kHz |
Environment Noise Filtering | Yes |
Network | |
Protocols | TCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, NTP, UPnP, SMTP, IGMP, 802.1X, QoS, IPv4, IPv6, UDP, Bonjour, SSL/TLS, PPPoE, SNMP, ARP, WebSocket, WebSockets |
Simultaneous Live View |
Up to 6 channels |
API | Open Network Video Interface (Profile S, Profile G, Profile T, Profile M), ISAPI, SDK |
User/Host |
Up to 32 users. 3 user levels: administrator, operator and user |
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, WSSE and digest authentication for Open Network Video Interface |
Network Storage |
NAS (NFS, SMB/CIFS), auto network replenishment (ANR) |
Client |
iVMS-4200, Hik-Connect, Hik-Central |
Web Browser |
Plug-in required live view: IE 10, IE 11 |
Image | |
Image Parameters Switch |
Yes |
Image Settings |
Rotate mode, saturation, brightness, contrast, sharpness, gain, white balance adjustable by client software or web browser |
Day/Night Switch |
Day, Night, Auto, Schedule |
Wide Dynamic Range (WDR) |
120 dB |
SNR | ≥ 52 dB |
Image Enhancement | BLC, HLC, 3D DNR |
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 |
Built-in Microphone | Yes |
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 NAS/memory card/FTP, 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%, 0.45 A, max. 5.5 W,Ø5.5 mm coaxial power plug,reverse polarity protection, |
Material |
Front cover: Metal, body: Metal, bracket: Metal |
Dimension |
Ø74.4 mm × 179.2 mm (Ø2.9" × 7.1") |
Package Dimension |
234 mm × 120 mm × 117 mm (9.2" × 4.7" × 4.6") |
Weight |
Approx. 525 g (1.2 lb.) |
With Package Weight |
Approx. 750 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 |
General Function |
Heartbeat, mirror, flash log, password reset via email, pixel counter, 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 |
Safety | UL: UL 62368-1, 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 |