Best For: Home entrances, driveways, shopfronts and building perimeters needing compact outdoor cameras with audio recording, low-light imaging and human and vehicle detection.
Hikvision DS-2CD2066G2H-IU 6MP DarkFighter Mini Bullet Camera
The Hikvision DS-2CD2066G2H-IU combines 6MP video, Powered by DarkFighter low-light imaging and AcuSense detection in a compact mini bullet housing. Its built-in microphone adds sound to live and recorded video when audio is enabled, helping provide context when reviewing events.
This listing offers white and black colour variants and describes the 2.8mm fixed lens. The wide view suits entrances and access areas, while PoE connectivity simplifies network and power cabling for a compatible CCTV system.
Key Features
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6MP resolution: 3200 × 1800 video at up to 25 fps in 50Hz mode.
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Powered by DarkFighter: Sensitive imaging and an F1.0 lens support low-light monitoring.
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AcuSense detection: Classifies people and vehicles in supported motion and perimeter events.
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40m infrared: Provides black-and-white night imaging when the scene is dark.
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Built-in microphone: Supports real-time audio and configured audio recording.
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120 dB WDR: Helps balance strong backlighting.
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2.8mm fixed lens: Offers a 114.8° horizontal field of view.
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H.265+ compression: Helps manage bandwidth and recording storage.
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Flexible recording: Compatible NVR recording and microSD support up to 512GB.
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Outdoor housing: IP67 metal construction with PoE or 12V DC power.
DarkFighter Low-Light Imaging and 40m IR
Powered by DarkFighter technology helps the camera use available light, with an F1.0 aperture suited to darker entrances and outdoor areas. The infrared illuminator supports black-and-white footage after dark. Colour detail still depends on sufficient ambient light.
The 40m rating describes illumination range, rather than a guaranteed identification distance. Camera position, exposure, subject movement and nearby reflective surfaces affect results. Aim the camera to minimise reflected IR from walls and eaves.
AcuSense Human and Vehicle Detection
Human and vehicle classification helps supported event rules focus on activity relevant to the site. Line crossing, intrusion, region entrance and region exiting rules can be configured around gates, access paths and boundaries.
Classification can reduce irrelevant alerts, but setup still matters. Adjust detection areas, schedules and sensitivity to the location, then test the system with real movement. Available recording, notification and search functions depend on the connected recorder and firmware.
Built-In Microphone for Audio Recording
The integrated microphone captures sound alongside video when the camera and recorder are configured for audio. This can help explain activity around an entrance or loading area during playback.
This IU model has a microphone but does not include a built-in speaker, strobe light or audible deterrent alarm. Choose a suitable active-deterrence model if those functions are required.
Wide 2.8mm Lens and Compact Housing
The fixed 2.8mm lens provides broad coverage from a single mounting point. It is useful for general monitoring across driveways and building entrances. For distant faces or number plates, camera placement and a more targeted view may be needed.
Select white or black to suit the installation. The model family also has other lens options, but this product's existing listing specifies 2.8mm; confirm the supplied lens when ordering if a particular field of view is essential.
Recording, PoE and Hik-Connect
Connect the camera to a compatible Hikvision network video recorder for central recording. Check support for 6MP resolution, incoming bandwidth, audio and the event functions you want to use. A suitable surveillance drive and recording schedule determine retention.
A compatible microSD card up to 512GB can provide local storage. PoE supplies power and network data through one Ethernet cable when connected to a compatible PoE switch or recorder port; 12V DC is an alternative.
Hik-Connect supports remote live viewing, playback and event notifications with a compatible, correctly configured network or NVR setup and internet access. Functions depend on the recorder, firmware and app configuration.
Suitable Applications
- Residential entrances, driveways and side access areas.
- Shopfronts, small offices and commercial entrances.
- Warehouse access points and loading areas.
- Outdoor perimeters needing human/vehicle event detection.
Technical Specifications
| Model |
DS-2CD2066G2H-IU |
| Colour options |
White or black — select the required variant |
| Resolution |
6MP, 3200 × 1800 |
| Image sensor |
1/2.4-inch progressive scan CMOS |
| Lens for this listing |
Fixed 2.8mm, F1.0 |
| Field of view — 2.8mm |
114.8° horizontal; 60° vertical; 143.5° diagonal |
| Frame rate |
50Hz: up to 25 fps at 3200 × 1800; 60Hz: up to 24 fps at 3200 × 1800 |
| Low-light sensitivity |
Colour: 0.001 lux at F1.0, AGC on; 0 lux with IR |
| Night vision |
Infrared up to 40m, 850nm |
| Wide dynamic range |
120 dB WDR |
| Video compression |
H.265+, H.265, H.264+, H.264; MJPEG sub-stream |
| Audio |
Built-in microphone |
| Detection |
Human/vehicle classification for motion and supported perimeter events |
| Perimeter events |
Line crossing, intrusion, region entrance and region exiting |
| Local storage |
microSD/microSDHC/microSDXC up to 512GB |
| Network interface |
RJ45 10/100Mbps Ethernet |
| Power |
12V DC ±25% or IEEE 802.3af PoE, Class 3 |
| Maximum consumption |
7W DC; 8.5W PoE |
| Housing / protection |
Metal front cover, body and bracket; IP67 |
| Operating conditions |
−30°C to +60°C; up to 95% humidity, non-condensing |
| Dimensions / weight |
Ø74.4 × 179.2mm; approximately 505g |
Refer to the official Hikvision datasheet for full model specifications. Recorder, hard drive, memory card, cabling and installation are selected separately unless specified in a package.
Plan Your Hikvision CCTV Coverage
Explore our Hikvision bullet cameras for additional views or different lens and lighting requirements. CTC Communications can help plan camera positions, recorder capacity and storage around the detail and recording period you need.
The IP67 housing suits outdoor use with appropriate mounting and protected cable joints. Check the mounting surface, cable route and junction box requirements before installation.
Compare Hikvision Bullet Cameras
Compare this model with other lens, lighting and audio options in our Hikvision Bullet Camera Comparison Guide 2026.
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