DS-2CD20166G3-IUY(2.8mm) - is a professional 16 MP (4608 × 3456) bullet IP camera with 2.8 mm fixed lens and a wide 94.5° horizontal field of view, ideal for ultra-high definition video surveillance. AcuSense technology with Deep Learning enables intelligent classification of people and vehicles , while Powered by DarkFighter guarantees high performance even in low light conditions. It integrates real WDR 130 dB , IR illumination up to 40 meters and a built-in microphone for audio recording. It supports H.265+ compression, PoE power supply, microSD cards up to 512 GB and advanced functions such as line crossing, intrusion and Face Capture. The metal structure with IP67 and NEMA 4X protection ensures resistance to water, dust and corrosion for reliable installations even in outdoor environments. Hikvision
DS-2CD20166G3-IUY(2.8mm) – 2.8mm FIXED LENS BULLET CAMERA 16MP - ARTIFICIAL INTELLIGENCE - DEEP LEARNING FUNCTION

The Hikvision DS-2CD20166G3-IUY is a professional 16 MP (4608 × 3456) bullet IP camera with 2.8 mm fixed lens and 94.5° horizontal field of view, designed for ultra-high definition video surveillance. It integrates AcuSense technology with Deep Learning for the recognition and classification of people and vehicles , as well as Powered by DarkFighter for clear images even in low light conditions. It features real WDR 130 dB , IR illumination up to 40 m , H.265+ compression, microSD slot up to 512 GB and PoE power supply. The integrated microphone , line crossing, intrusion and Face Capture functions expand the security capabilities. The metal structure with IP67 certification and NEMA 4X anti-corrosion protection guarantees high reliability even in outdoor environments.
Main features:
- Resolution: 16 MP, 4608 × 3456
- Lens: fixed 2.8 mm, FOV 94.5°
- AI: AcuSense, People and Vehicles
- Night Vision: DarkFighter + IR 40m
- WDR: 130 dB
- Audio: Built-in microphone
- Storage: microSD up to 512 GB
- Power supply: PoE / 12 VDC
- Protection: IP67, NEMA 4X
Further details
2.8mm fixed lens with F1.6 aperture , 94.5° horizontal, 69.9° vertical and 123.2° diagonal field of view, ideal for monitoring large areas with a high level of detail.
1/1.8" Progressive Scan CMOS sensor with a maximum resolution of 16 MP (4608 × 3456) , designed to capture extremely sharp and detail-rich UHD images.
Deep Learning-based AcuSense technology to intelligently distinguish and classify people and vehicles , improving the accuracy of video surveillance alarms.
Integrates Face Capture and perimeter protection with line crossing, intrusion, area entry and exit , with alarm triggering based on specific targets such as people and vehicles .
It supports IEEE 802.3af, Class 3 PoE power supply, allowing power and data to be transmitted over a single Ethernet cable and simplifying camera installation.
It features 10/100 Mbps RJ45 Ethernet port and supports ONVIF Profile S/G/T , IPv4/IPv6, HTTPS, RTSP and numerous network protocols, as well as compatibility with Hik-Connect, iVMS-4200 and Hik-Central and NAS storage.
Technical data sheet
| DS-2CD20166G3-IUY(2.8mm) | |
| Room | |
| Image Sensor | 1/1.8" Progressive Scan CMOS |
| Max. Resolution | 4608 × 3456 |
| Min. Illumination | Color: 0.0008 Lux @ (F1.6, 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 | Fixed focal lens, 2.8mm |
| Focal Length & FOV | horizontal FOV 94.5°, vertical FOV 69.9°, diagonal FOV 123.2° |
| Lens Mount | M16 |
| Iris Type | Fixed |
| Openings | F1.0 |
| Depth of Field | 2.9 m to ∞ |
| Illuminator | |
| Supplement Light Type | IR |
| Supplement Light Range | Up to 40 m |
| Smart Supplement Light | Yes |
| IR Wavelength | 850mm |
| Video | |
| Main Stream | 50 Hz: 12.5 fps (4608 × 3456) 20 fps (4608 × 2592) 25 fps (3840 × 2160, 3200 × 1800, 2688 × 1520, 1920 × 1080, 1280 × 720) 60 Hz: 15 fps (4608 × 3456) 20 fps (4608 × 2592) 30 fps (3840 × 2160, 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 24 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 |
| 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 |
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) |
| Client |
iVMS-4200,Hik-Connect,Hik-Central |
| Network Storage |
NAS (NFS, SMB/CIFS),Auto Network Replenishment (ANR) |
| Web Browser |
Free live view plugin: 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) |
130 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 |
| Audio | Built-in single 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 | 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%, 0.8 A, max. 9.6 W,Ø5.5 mm coaxial power plug,reverse polarity protection, |
| Material |
Front cover: metal, body: metal, bracket: metal |
| Dimension |
Ø74.4 mm × 176.3 mm (Ø2.93" × 6.94") |
| Package Dimension |
234 mm × 120 mm × 117 mm (9.2" × 4.7" × 4.6") |
| Weight |
Approx. 530 g (1.2 lb.) |
| With Package Weight |
Approx. 810 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 | 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) |


