Hikvision 2mp Acusense 2.8mm Dome Camera

The Hikvision DS-2CD2126G2-I 2MP AcuSense Fixed Dome Network Camera delivers high-quality Full HD surveillance with excellent low-light performance, intelligent human and vehicle classification, and reliable protection for indoor and outdoor installations.

Powered by Hikvision DarkFighter technology, this camera provides clear imaging in challenging lighting conditions. Its 120 dB True WDR technology helps produce balanced images in scenes with strong backlighting, while efficient H.265+ compression reduces bandwidth and storage requirements.

Featuring a fixed 2.8mm lens with a wide 107° horizontal field of view, the camera offers broad area coverage. Its infrared illumination reaches up to 30 metres, supporting clear night-time monitoring.

The built-in AcuSense deep-learning technology can distinguish between humans and vehicles, helping reduce unwanted motion detection alerts. It also supports perimeter protection features, including line crossing, intrusion, region entrance and region exiting detection.

The camera has a durable metal housing with IP67 weather protection and IK10 vandal resistance, making it suitable for demanding security installations.

Important microphone information: The built-in microphone is available on the DS-2CD2126G2-ISU variant only. The standard DS-2CD2126G2-I model does not have the built-in microphone. The -SU variant also provides audio and alarm interfaces as specified by Hikvision.
Key Features
- 2MP Full HD resolution (1920 × 1080).
- Hikvision DarkFighter technology for excellent low-light performance.
- 2.8mm fixed lens with a wide 107° horizontal viewing angle.
- 120 dB True WDR for clear images in challenging backlight conditions.
- AcuSense deep-learning technology for human and vehicle classification.
- Smart perimeter protection: line crossing, intrusion, region entrance and region exiting.
- Infrared night vision with illumination up to 30 metres.
- Smart Supplement Light for improved illumination control.
- Efficient H.265+ video compression.
- Supports microSD cards up to 512GB.
- Supports PoE (IEEE 802.3af, Class 3) for simplified installation.
- Metal housing with IP67 weather resistance.
- IK10 vandal-resistant protection.
Technical Specifications
Camera
Specification Details
Brand Hikvision
Model DS-2CD2126G2-I
Camera Type 2MP AcuSense Fixed Dome Network Camera
Image Sensor 1/2.8" Progressive Scan CMOS
Maximum Resolution 1920 × 1080
Minimum Illumination Colour: 0.002 Lux @ F1.4, AGC ON; B/W: 0 Lux with IR
Shutter Time 1/3 s to 1/100,000 s
Day & Night IR cut filter
WDR 120 dB True WDR
SNR ≥52 dB
Image Enhancement BLC, HLC, 3D DNR
Angle Adjustment Pan: 0°–355°; Tilt: 0°–75°; Rotate: 0°–355°

Lens
Specification Details
Lens Type Fixed focal lens
Selected Lens 2.8mm
Lens Mount M12
Iris Type Fixed
Aperture F1.4
Horizontal Field of View 107°
Vertical Field of View 57°
Diagonal Field of View 129°
Depth of Field 1.1m to infinity

The supplier also lists a 4mm lens option. This Shopify listing is for the 2.8mm version.
DORI Distance
Detection Type 2.8mm Lens
Detect 44m
Observe 17m
Recognise 9m
Identify 4m

Infrared Illumination
Specification Details
Supplement Light Type IR
IR Range Up to 30m
Smart Supplement Light Yes
IR Wavelength 850nm

Video
Specification Details
Main Stream – 50Hz 25fps (1920 × 1080, 1280 × 720)
Main Stream – 60Hz 30fps (1920 × 1080, 1280 × 720)
Sub-Stream – 50Hz 25fps (640 × 480, 640 × 360)
Sub-Stream – 60Hz 30fps (640 × 480, 640 × 360)
Third Stream Up to 10fps; supported under certain settings
Main Stream Compression H.265, H.264, H.264+, H.265+
Sub-Stream Compression H.265, H.264, MJPEG
Third Stream Compression H.265, H.264
Video Bit Rate 32Kbps to 8Mbps
Bit Rate Control CBR, VBR
H.264 Profiles Baseline, Main, High
H.265 Profile Main
ROI 1 fixed region for main stream and sub-stream

Audio
Specification Details
Built-in Microphone Available on DS-2CD2126G2-ISU variant only
Audio Compression G.711, G.722.1, G.726, MP2L2, PCM, MP3, AAC-LC
Environment Noise Filtering Yes on supported audio variant

Please note: The microphone and audio functionality must not be advertised as included with the standard DS-2CD2126G2-I model. Customers requiring audio should select the DS-2CD2126G2-ISU variant.
Network
Specification Details
Ethernet Interface 1 × RJ45 10/100Mbps self-adaptive Ethernet port
Simultaneous Live View Up to 6 channels
Maximum Users Up to 32 users
User Levels Administrator, operator and user
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, WebSocket, WebSockets
API ONVIF Profile S, G and T, ISAPI, SDK, ISUP
Network Storage NAS (NFS, SMB/CIFS), ANR
Client Software iVMS-4200, Hik-Connect, Hik-Central
Plug-in Live View Internet Explorer 10 and 11
Plug-in-Free Live View Chrome 57.0+, Firefox 52.0+, Edge 89+

Storage
Specification Details
Memory Card Slot Built-in microSD card slot
Maximum Supported Capacity 512GB
Network Storage NAS (NFS, SMB/CIFS)
ANR Supported

MicroSD card is not included unless separately specified.
Smart Detection and Events
Specification Details
Human & Vehicle Classification Yes
Motion Detection Supports alarm triggering by specified target types
Face Capture Yes
Line Crossing Detection Yes
Intrusion Detection Yes
Region Entrance Detection Yes
Region Exiting Detection Yes
Scene Change Detection Yes
Video Tampering Alarm Yes
Exception Detection Yes

General
Specification Details
Power Supply 12V DC ±25%
Power Consumption 12V DC, 0.5A, maximum 6W
PoE IEEE 802.3af, Class 3
Maximum PoE Consumption 7.5W
Power Connector Ø5.5mm coaxial power plug
Material Metal
Dimensions Ø121.4 × 92.2mm
Package Dimensions 150 × 150 × 141mm
Net Weight Approx. 550g
Gross Weight Approx. 800g
Operating Temperature -30°C to 60°C
Operating Humidity 95% or less, non-condensing
Weather Protection IP67
Vandal Resistance IK10

Certifications and Protection
- EMC: FCC, CE-EMC, RCM, KC.
- Safety: UL, CB, CE-LVD, LOA.
- Environment: CE-RoHS, WEEE, REACH.
- Weather Protection: IP67.
- Vandal Resistance: IK10.