DS-2CD2146G2H-ISU 4MP Dome IP 2.8mm AcuSense DarkFighter WDR 120dB IP67 IK10 IR Microphone 30m - Hikvision
DS-2CD2146G2H-ISU - The dome camera with 2.8mm lens represents an advanced solution for professional video surveillance, thanks to the 4 MP resolution (2688×1520) that guarantees clear and detailed images and Powered-by-DarkFighter technology that ensures excellent performance in low-light conditions. Equipped with 120 dB real WDR , it offers clear images even in the presence of strong light contrasts, while H.265+ compression optimizes bandwidth and storage. AcuSense intelligence with deep learning allows accurate recognition of people and vehicles, reducing false alarms, while the 2.8 mm lens with FOV up to 100° guarantees a wide viewing angle. Complete with integrated microphone , IR illumination up to 30 m and IP67 and IK10 protection, it is ideal for highly reliable indoor and outdoor installations. Hikvision
DS-2CD2146G2H-ISU – DOME CAMERA FIXED LENS 2.8mm 4MP - HUMAN AND VEHICLE DETECTION - DEEP LEARNING FUNCTION - DARKFIGHTER

The Hikvision DS-2CD2146G2H-ISU with 2.8mm lens is a professional IP dome camera designed for advanced video surveillance, with 4MP (2688×1520) resolution that ensures high-definition images and Powered-by-DarkFighter technology for excellent performance even in low-light conditions. Thanks to true 120 dB WDR, it guarantees optimal visibility in environments with strong contrast, while H.265+ compression optimizes bandwidth and storage. AcuSense intelligence with deep learning allows for accurate detection of people and vehicles, reducing false alarms, while the 2.8 mm wide-angle lens offers a wide field of view of up to 100°. Complete with a built-in microphone, IR up to 30 meters and resistant IP67 and IK10 construction, it is ideal for highly reliable indoor and outdoor installations.
Main features:
- Resolution 4MP 2688×1520
- DarkFighter technology for low light
- WDR 120 dB real
- H.265+ compression
- AcuSense with people and vehicle recognition
- 2.8mm wide angle lens (FOV ~100°)
- IR illumination up to 30m
- Built-in microphone
- IP67 and IK10 protection
Further details
2.8 mm wide-angle lens designed to ensure a wide field of view of up to 100° , ideal for covering large areas with a single camera and optimising installation in professional video surveillance contexts.
4MP (2688×1520) resolution for sharp, detailed, high-definition images, perfect for precise identification of subjects and scenes even in complex environments.
Built-in microphone for real-time audio recording , useful for increasing the level of security and providing complete video + audio evidence.
Deep Learning Function with smart features such as face capture and perimeter protection , including line crossing and intrusion detection with intelligent target classification.
Complete interfaces with RJ45 Ethernet port , microSD support up to 512GB and audio and alarm inputs/outputs, for perfect integration into advanced security systems.
IP network camera compatible with advanced protocols and ONVIF standards, with remote access via software and dedicated apps, ensuring flexible management and remote monitoring.
Technical data sheet
| DS-2CD2146G2H-ISU | |
| 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 355°,tilt: 0° to 75°,rotate: 0° to 355° |
| Lens | |
| Lens Type | Fixed focal lens, 2.8 mm |
| Focal Length & FOV | horizontal FOV 100.2°, vertical FOV 54.7°, diagonal FOV 119.7° |
| Lens Mount | M12 |
| Iris Type | Fixed |
| Openings | F1.0 |
| Depth of Field | 1.9 m to ∞ |
| Illuminator | |
| Supplement Light Type | IR, White Light |
| Supplement Light Range | Up to 30 m |
| Smart Supplement Light | Yes |
| IR Wavelength | 850mm |
| 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.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 |
| Scalable Video Coding (SVC) |
H.264 and H.265 encoding |
| Region of Interest (ROI) |
1 fixed region for main stream and sub-stream |
| Audio | |
| 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), ISAPI, SDK |
| Security |
Password protection, complicated password, HTTPS encryption, 802.1X authentication (EAP-TLS, EAP-LEAP, EAP-MD5), watermark, IP address filter, basic and digest authentication for HTTP/HTTPS, WSSE and digest authentication for Open Network Video Interface, RTP/RTSP over HTTPS, control timeout settings, security audit log, TLS 1.1/1.2/1.3, host authentication (MAC address) |
| User/Host |
Up to 32 users. 3 user levels: administrator, operator and user |
| 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 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 |
| Audio | 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 |
| Alarm | 1 input, 1 output (max. 12 VDC, 30 mA) |
| 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, audible warning |
| 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%, 0.6 A, max. 7.2 W,Ø5.5 mm coaxial power plug,reverse polarity protection, |
| Material |
Cover: aluminum alloy, main body: aluminum alloy |
| Dimension |
Ø121.5 mm × 97.6 mm (Ø4.8" × 3.8") |
| Package Dimension |
150 mm × 150 mm × 141 mm (5.9" × 5.9" × 5.6") |
| Weight |
Approx. 550 g (1.2 lb.) |
| With Package Weight |
Approx. 800 g (1.8 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 |
| 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,IK10: IEC 62262:2002 |


