DS-2CD2H166G3-IZSY IP Turret Camera 16MP 2.8-12mm AcuSense DarkFighter IR 40m PoE IP67 IK10 - Hikvision
DS-2CD2H166G3-IZSY(2.8-12mm) - is a professional 16 MP Turret IP camera with resolution up to 4608 × 3456 and 2.8-12 mm motorized varifocal lens , ideal for precisely adjusting the frame. Powered by DarkFighter technology ensures high performance in low light conditions, while AcuSense with Deep Learning enables intelligent classification of people and vehicles . It integrates real WDR 130 dB , IR illumination up to 40 m , dual array microphone , Face Capture and advanced perimeter protection. It supports microSD up to 512 GB , IEEE 802.3at PoE power supply and has audio and alarm inputs/outputs. The metal structure with IP67, IK10 and NEMA 4X protections guarantees high resistance for professional video surveillance systems in outdoor environments. Hikvision
DS-2CD2H166G3-IZSY(2.8-12mm) – 2.8-12mm 16MP VARIFOCAL TURRET CAMERA - ARTIFICIAL INTELLIGENCE - DEEP LEARNING FUNCTION

The Hikvision DS-2CD2H166G3-IZSY is a 16 MP Turret IP camera with a maximum resolution of 4608 × 3456 and a 2.8-12 mm motorized varifocal lens , ideal for precisely adapting the frame to different surveillance areas. Powered by DarkFighter technology improves vision in low light conditions, while AcuSense with Deep Learning enables intelligent classification of people and vehicles . It integrates real WDR 130 dB , IR up to 40 m , dual array microphone , Face Capture and advanced perimeter protection. It supports microSD up to 512 GB , IEEE 802.3at PoE power supply and has audio and alarm inputs/outputs. The metal structure with IP67, IK10 and NEMA 4X protections ensures high reliability even in outdoor environments.
Main features:
- Resolution: 16 MP, 4608 × 3456
- Lens: 2.8-12 mm motorized
- AI: AcuSense, People and Vehicles
- DarkFighter: Advanced low-light vision
- IR: up to 40m
- Audio: Dual array microphone
- Storage: microSD up to 512 GB
- PoE: IEEE 802.3at
- Protection: IP67, IK10, NEMA 4X
Further details
2.8-12mm motorized varifocal lens with F1.2 maximum aperture , designed to easily adjust the framing according to the area to be monitored, with horizontal FOV from 99° to 43° , vertical from 72° to 33° and diagonal from 136° to 54°.
1/1.8" Progressive Scan CMOS 16 MP sensor with maximum resolution of 4608 × 3456 pixels , ideal for obtaining extremely high-detail UHD images and improving observation capacity in professional video surveillance applications.
Hikvision AcuSense technology based on Deep Learning for intelligent classification of people and vehicles , allowing security events to be focused on relevant targets and making alarm management more precise.
Powered by DarkFighter technology for high performance in low light conditions , with sensitivity up to 0.0008 Lux in color and 0 Lux with IR , supported by intelligent infrared illumination up to 40 meters .
It offers intelligent perimeter protection with line crossing, intrusion, entry and exit detection, classifying targets as people or vehicles; it also integrates the Face Capture function for facial acquisition.
It supports IEEE 802.3at, Class 4 PoE power supply with a maximum power consumption of 15W , allowing power and data to be transmitted over a single Ethernet cable for simple wiring and installation.
It has a 10/100 Mbps RJ45 Ethernet port and supports protocols such as TCP/IP, HTTPS, IPv4/IPv6, RTSP, SNMP and SFTP , ONVIF Profile S/G/T , NAS and ANR compatibility ; it is manageable via Hik-Connect, iVMS-4200 and Hik-Central and supports up to 6 simultaneous Live Views .
Technical data sheet
| DS-2CD2H166G3-IZSY(2.8-12mm) | |
| Room | |
| Image Sensor | 1/1.8" Progressive Scan CMOS |
| Max. Resolution | 4608 × 3456 |
| Min. Illumination | Color: 0.0008 Lux @ (F1.2, 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 75°,rotate: 0° to 360° |
| Lens | |
| Lens Type | Varifocal lens, motorized lens, 2.8 to 12 mm |
| Focal Length & FOV | horizontal FOV 99° to 43°, vertical FOV 72° to 33°, diagonal FOV 136° to 54° |
| Lens Mount | Integrated |
| Iris Type | Fixed |
| Openings | Max. F1.2 |
| Depth of Field | 1 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 |
| Scalable Video Coding (SVC) |
H.264 and H.265 encoding |
| Audio | |
| Audio Type | Mono sound |
| 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 Compression | G.711/G.722.1/G.726/MP2L2/PCM/MP3/AAC-LC |
| Audio Sampling Rate | 8 kHz/16 kHz/32 kHz/48 kHz |
| Environment Noise Filtering | Yes |
| 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 Microphone: Arrayed dual-microphone, 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. 24 VDC/24 VAC, 1 A) |
| 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%, 1 A, max. 12 W, 2-core terminal block, reverse polarity protection, |
| Material |
Base: Metal, cover: Metal |
| Dimension |
Ø143.5 mm × 142.7 mm (Ø5.7" × 5.6") |
| Package Dimension |
170 mm × 170 mm × 160 mm (6.7" × 6.7" × 6.3") |
| Weight |
Approx. 1245 g (2.7 lb.) |
| With Package Weight |
Approx. 1520 g (3.4 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,IK10: IEC 62262:2002 |
| Anti-Corrosion Protection |
NEMA 4X (NEMA 250-2018) |


