Product Overview
For outdoor building entries, perimeter walls, and covered external positions, the DS-2CD2566G2-IS delivers 6MP mini dome coverage in a compact, weather-resistant housing. Equipped with Hikvision AcuSense Gen 2 deep learning, it classifies moving objects as people or vehicles and filters out irrelevant motion from foliage, insects, and small animals, helping operators focus on events that actually matter. Featuring a 1/2.4″ progressive CMOS sensor with DarkFighter technology and 30m Smart IR, the camera maintains detailed imaging well into low-light conditions, with 120dB true WDR managing scenes that combine strong backlight with shadowed areas. This model, the “-IS” variant, adds a built-in microphone, audio output, and alarm input/output, enabling broader integration into access and alarm systems. Rated IP67 for weatherproofing and IK08 for vandal resistance, it is suited to external mounting on facades, eaves, and protected outdoor positions across commercial and multi-tenancy sites.
Key Capabilities
AcuSense Gen 2 Classification
Deep learning algorithms distinguish people and vehicles from irrelevant motion sources like wind-blown foliage or small animals. This reduces nuisance alarm events and allows monitoring staff to act on alerts that reflect actual intrusion or access activity rather than environmental noise.
DarkFighter Low-Light Imaging
The 1/2.4″ progressive CMOS sensor combined with DarkFighter technology captures usable colour detail at low lux levels before the camera transitions to Smart IR. This is particularly useful at dusk and dawn in poorly lit outdoor mounting positions where standard sensors produce flat, unusable images.
30m Smart IR Night Vision
Smart IR adjusts infrared intensity to prevent image washout when subjects move close to the camera, maintaining readable detail across the full IR range. This matters in compact outdoor positions such as covered walkways, entry canopies, and gate areas where subjects pass at varying distances.
120dB True Wide Dynamic Range
True WDR at 120dB handles scenes with strong contrast between sunlit areas and deep shadow, such as entry points facing open car parks or glass-fronted building facades. It prevents subject detail from being lost to overexposure or underexposure in the same frame.
Built-In Microphone and Alarm I/O
The “-IS” variant includes a built-in microphone for on-site audio recording alongside video, plus audio output and alarm input/output terminals. These allow the camera to connect into third-party alarm panels and access control systems, adding a layer of integration that standard cameras cannot provide.
IP67 and IK08 Outdoor Rating
Full IP67 dust and water ingress protection combined with IK08 impact resistance makes the mini dome housing suitable for exposed outdoor positions. IK08 provides meaningful resistance against deliberate tampering and incidental physical contact in public-facing locations without requiring a separate vandal-resistant housing.
Best For
- Outdoor Building Entries: The compact mini dome profile mounts cleanly on eaves, soffits, and facade walls, while AcuSense Gen 2 keeps alarm activity focused on genuine entry events rather than passing traffic or environmental movement.
- Commercial Perimeter Monitoring: IP67 weatherproofing and the wide operating temperature range of -30°C to 60°C allow reliable year-round deployment on exposed external walls, covered walkways, and building corners.
- Alarm-Integrated Security Systems: The alarm input/output and audio output on the “-IS” model allow direct wiring into existing alarm infrastructure, making this camera a practical choice for sites already running monitored alarm systems.
- Sites Requiring Audio Evidence: The built-in microphone records audio alongside video, providing additional evidentiary context for incident review in locations such as reception areas, access gates, and covered outdoor corridors.
Why Choose the DS-2CD2566G2-IS
The DS-2CD2566G2-IS offers a clear step above basic 6MP outdoor domes by combining AcuSense Gen 2 object classification with a DarkFighter sensor, 120dB true WDR, and the additional interfaces of the “-IS” variant in a single compact housing. A simpler fixed dome at this resolution would record the same pixel count but cannot distinguish a person walking through a frame from a branch moving in wind, and it cannot integrate directly with alarm panels. The built-in microphone captures on-site audio that purely visual cameras miss, and the alarm I/O enables event-driven responses through connected systems. Lens choices of 2.8mm or 4mm give installers the flexibility to match field of view to the specific mounting position without compromising image quality. Available through Security Wholesalers, the DS-2CD2566G2-IS is a strong specification for commercial and multi-tenancy outdoor positions where event accuracy and system integration matter.
Buyer Decision Tips
Lens Selection: Choose the 2.8mm lens (105° horizontal FOV) when the camera covers a wide entry foyer, broad outdoor walkway, or corner mounting position where wide angular coverage is more important than subject detail at distance. Choose the 4mm lens (84° horizontal FOV) for narrower corridors, gate approaches, and positions where the camera faces down a defined path and more reach is needed. Both lenses deliver the same 6MP resolution, so the choice is entirely about geometry and the distance at which subjects need to be identifiable.
Audio Output and Speaker Use: The DS-2CD2566G2-IS includes an audio output port that can connect to an external speaker, but the camera does not have a built-in speaker. If active voice deterrence is a requirement at the installation point, a separate external speaker will need to be wired to the audio output terminal. Confirm this wiring is accounted for during cable planning before installation.
Key Features & Technical Specifications
| Model |
DS-2CD2566G2-IS |
| Resolution |
6MP (3200 x 1800) |
| Image Sensor |
1/2.4″ progressive scan CMOS |
| Low-Light Technology |
DarkFighter |
| IR Night Vision Range |
30m Smart IR |
| Wide Dynamic Range |
120dB True WDR |
| Smart Analytics |
AcuSense Gen 2 – human and vehicle classification |
| Video Compression |
H.265+, H.265, H.264+, H.264, MJPEG |
| Video Streams |
Triple stream |
| Lens Options |
2.8mm (105° horizontal FOV) or 4mm (84° horizontal FOV) |
| Camera Adjustment |
Pan ±30°, tilt 0-75°, rotation 360° |
| Audio |
Built-in microphone, audio output |
| Alarm Interfaces |
Alarm input/output |
| Ingress Protection |
IP67 |
| Vandal Resistance |
IK08 |
| Power Supply |
12V DC (max 6W) or PoE IEEE 802.3af (max 7W) |
| Operating Temperature |
-30°C to 60°C |
| Humidity |
Up to 95% non-condensing |
| Colour Options |
Black or White |
Ideal Use Cases
External Building Entry Points
The compact dome housing mounts cleanly on eaves and facade walls at main entry doors and gate approaches. AcuSense Gen 2 keeps alert activity confined to people and vehicles, preventing constant notifications from environmental movement near heavily trafficked access points.
Covered Outdoor Walkways and Corridors
IP67 and IK08 ratings make the DS-2CD2566G2-IS suitable for semi-exposed positions such as covered car park walkways, colonnade-style building facades, and outdoor corridors in multi-tenancy complexes where the camera faces the elements but sits under partial cover.
Retail and Commercial Premises
Triple stream output allows simultaneous recording, local viewing, and remote monitoring without degrading any single stream. AcuSense-generated alarm events are searchable within recorded footage, reducing the time operators spend reviewing footage to locate specific incidents.
Alarm-Integrated Security Zones
The alarm input/output terminals on the “-IS” model allow the camera to participate directly in monitored security zones. This suits installations where the camera needs to trigger or receive signals from access control readers, door contacts, or a central alarm panel without relying solely on NVR-based event handling.
Low-Light Perimeter Positions
DarkFighter and 30m Smart IR enable the camera to capture useful footage in outdoor positions with minimal artificial lighting, such as side access paths, service entry areas, and poorly lit rear car parks where standard cameras produce grainy or flat night images.
Choosing the Right Model
- Choose this model if: Your installation requires outdoor-rated 6MP coverage with AcuSense object classification, and the site benefits from direct alarm panel or audio output integration via the built-in microphone and alarm I/O terminals.
- Choose a different model if: The installation position is fully indoors with no weatherproofing requirement and IK08 vandal resistance is not needed, as a standard indoor mini dome at equivalent resolution would be a more cost-effective choice for that application.
- Choose a different model if: The scene requires active voice deterrence from a built-in speaker at the camera position, as this model includes a microphone and audio output port but does not have a built-in speaker for on-camera announcements.
- Choose a different model if: Long-range coverage beyond 30m is a primary requirement, as the Smart IR on this model is optimised for close-to-medium outdoor positions rather than extended-range perimeter approaches where a bullet-format camera with longer IR would be more appropriate.
FAQs
- What does AcuSense Gen 2 actually do differently to standard motion detection?
Standard motion detection triggers on any pixel change in the frame, including wind, shadows, and animals. AcuSense Gen 2 uses deep learning to classify detected objects as people or vehicles and only generates alarm events for those categories. This means fewer irrelevant notifications for operators and alarm events that are more meaningful when reviewing recorded footage for specific incidents.
- Is this camera suitable for mounting on an external wall exposed to rain?
Yes. The DS-2CD2566G2-IS carries an IP67 rating, which confirms complete dust ingress protection and resistance to water immersion up to 1 metre for 30 minutes. For typical external wall, eave, and fascia mounting in Australian conditions, IP67 is a suitable weatherproofing standard for year-round outdoor use.
- What is the difference between the standard model and the “-IS” variant?
The “-IS” suffix indicates this model includes a built-in microphone, an audio output port, and alarm input/output terminals. These additions allow on-site audio recording alongside video and direct integration with alarm panels and access control systems. The base model without “-IS” does not include these interfaces.
- Does the built-in microphone support two-way communication?
No. The DS-2CD2566G2-IS has a built-in microphone for audio capture and an audio output port that can connect to an external speaker, but it does not have a built-in speaker of its own. Two-way voice communication at the camera position would require a separately wired external speaker connected to the audio output terminal.
- Which lens should I choose for a standard building entry position?
For a single-door entry or access gate where the camera is mounted at 2.5 to 3.5 metres and you need to cover the width of the entry, the 2.8mm lens at 105° horizontal FOV is the more practical choice. If the camera is covering a defined approach path or the entry point is narrow and you need more reach across the frame, the 4mm lens at 84° FOV provides tighter framing with better subject detail at distance.
- How does the Smart IR handle close-up subjects without washing out the image?
Smart IR automatically reduces IR emitter intensity when a subject moves within close range of the camera. This prevents the overexposure bloom common with fixed-intensity IR at short distances. The result is a usable, well-exposed image whether a person is 2 metres or 25 metres from the camera within the 30m IR range.
- Can the DS-2CD2566G2-IS be powered by PoE from a standard network switch?
Yes, the camera supports IEEE 802.3af PoE at a maximum draw of 7W, which falls within the 15.4W per port budget of any 802.3af-compliant switch or PoE injector. This is a low power draw for a 6MP outdoor dome, meaning a standard PoE switch does not need high-wattage 802.3at ports to run this camera. Security Wholesalers can advise on compatible PoE NVRs and switches for multi-camera installations.
Additional Information
