Product Overview
Combining active deterrence with full-colour night vision, the DS-2CD3667G3-LIZSUY/SL is a 6MP ColorVu 3.0 varifocal bullet camera built for exposed perimeter positions where passive recording is not enough. Featuring a 2.8-12mm motorised varifocal lens, it gives installers the flexibility to adjust field of view post-installation, covering everything from wide driveway approaches to tighter entry points without repositioning the housing. Equipped with Smart Hybrid Light, the camera switches automatically between IR and white light illumination to reach up to 60m in darkness, with ColorVu 3.0 delivering vivid colour capture throughout. It also integrates AcuSense deep learning to classify human and vehicle movement, reducing nuisance alerts, and triggers an onboard strobe light and audible alarm when a qualifying event is detected. With IP67 weather resistance, IK10 vandal resistance, and a confirmed operating range of -30 degrees C to +60 degrees C, this model suits shopfronts, loading docks, warehouses, driveways, and commercial perimeter lines.
Key Capabilities
6MP ColorVu 3.0 Full-Colour Imaging
The 1/1.8-inch progressive scan CMOS sensor resolves 3200 x 1800 at 6MP, and ColorVu 3.0 retains vivid colour detail after dark. This matters at perimeter positions where identifying clothing, vehicle colour, and licence plate context cannot wait until daylight review.
Smart Hybrid Light up to 60m
The camera automatically selects between IR and white light illumination based on scene conditions, covering up to 60m. On a long driveway or loading dock approach, this means sustained image quality regardless of ambient light levels without manual switching.
2.8-12mm Motorised Varifocal Lens
Remote zoom and focus adjustment means the field of view can be dialled in from the recorder or software after mounting. For bullet cameras on walls or soffits at commercial sites, this removes the need to physically reposition the housing when coverage requirements change.
AcuSense Human and Vehicle Classification
Deep learning analytics classify detected motion as human or vehicle targets, filtering out animals and environmental movement. At busy outdoor locations, this keeps alarm fatigue low and ensures alerts correspond to genuine access events rather than irrelevant scene activity.
Active Strobe and Audible Warning
The built-in strobe light and speaker trigger immediately when a human or vehicle event is detected, delivering a visible and audible response at the camera itself. Combined with the integrated microphone and two-way audio, this supports real-time voice warnings without requiring a separate intercom device.
IP67, IK10 and Anti-Corrosion Build
Full dust and immersion protection, impact resistance to IK10, and an optional anti-corrosion design on the -Y variant make this camera suitable for coastal installations and harsh industrial environments where standard outdoor ratings are insufficient.
Best For
- Commercial Perimeter Monitoring: The bullet housing with 60m Smart Hybrid Light and varifocal lens suits wall or soffit mounting along fence lines, loading docks, and warehouse exteriors where directional coverage and long-range visibility are priorities.
- Active Deterrence Sites: The integrated strobe, audible alarm, built-in speaker, and microphone enable real-time warnings at the camera position, supporting a response to detected human or vehicle intrusions without additional hardware.
- After-Hours Commercial Environments: AcuSense classification keeps alerts relevant during unmanned periods at shopfronts, car parks, and industrial yards, ensuring staff or monitoring centres receive notifications tied to actual human or vehicle activity.
- Coastal and Harsh-Weather Installations: IP67, IK10, a -30 to +60 degree C rating, and the anti-corrosion -Y design make this camera a practical choice for sites exposed to salt air, heavy rain, or extreme temperature swings.
Why Choose the DS-2CD3667G3-LIZSUY/SL
A standard outdoor bullet camera records what happens. The DS-2CD3667G3-LIZSUY/SL is built to intervene before an incident escalates. The combination of AcuSense event classification, onboard strobe, audible alarm, two-way audio via the built-in microphone and speaker, and Smart Hybrid Light illumination to 60m means this camera can trigger a targeted warning the moment a human or vehicle is detected, not after review. The 2.8-12mm motorised varifocal lens adds practical installation flexibility, allowing coverage angles to be adjusted remotely without revisiting the mounting position. At 6MP, the 3200 x 1800 resolution retains usable identification detail across the varifocal range. The IK10 and IP67 rated housing, paired with the anti-corrosion -Y design, extends reliable service life in demanding outdoor environments. Available at Security Wholesalers, the DS-2CD3667G3-LIZSUY/SL is suited to commercial and industrial sites where active deterrence, flexible framing, and all-weather performance are all required from a single camera position.
Buyer Decision Tips
Varifocal Lens Adjustment: The 2.8-12mm motorised varifocal lens can be adjusted remotely via a connected NVR or software, but the physical camera position must still be aimed correctly at installation. At 2.8mm the field of view is wide and suits broader area coverage close to the camera. At 12mm the narrower field of view is better suited to longer approaches or focused entry points. Decide your primary coverage distance before mounting to choose the correct wall height and angle, then fine-tune zoom and focus electronically from the recorder.
Active Deterrence and Alarm Configuration: The strobe and audible alarm functions on the DS-2CD3667G3-LIZSUY/SL are triggered by AcuSense-classified events, meaning human and vehicle detections are required to activate the response. This relies on a correctly configured detection zone and sensitivity setting in the camera or NVR. For sites with a high volume of authorised pedestrian or vehicle traffic during business hours, scheduling active deterrence to operate only during after-hours periods will prevent unnecessary alarm activations without disabling the feature entirely.
Key Features & Technical Specifications
| Image Sensor |
1/1.8-inch Progressive Scan CMOS |
| Resolution |
6MP (3200 x 1800) |
| Lens Type |
2.8-12mm motorised varifocal |
| Illumination Technology |
Smart Hybrid Light (IR and white light) |
| Illumination Range |
Up to 60m |
| Night Vision |
ColorVu 3.0 full-colour night imaging |
| Analytics |
AcuSense human and vehicle classification |
| Active Deterrence |
Integrated strobe light and audible alarm |
| Audio |
Built-in microphone and built-in speaker (two-way audio) |
| Video Compression |
H.265+ |
| Local Storage |
MicroSD up to 512GB |
| Weather Protection |
IP67 |
| Impact Resistance |
IK10 |
| Operating Temperature |
-30 degrees C to +60 degrees C |
| Anti-Corrosion Option |
Yes (-Y variant) |
| Housing Type |
Bullet |
Ideal Use Cases
Warehouse and Loading Dock Perimeters
The 60m Smart Hybrid Light range and 2.8-12mm varifocal lens allow a single camera to monitor a wide loading area or approach lane in full colour after hours. AcuSense vehicle detection ensures alerts are triggered by delivery trucks or unauthorised vehicles, not environmental motion.
Commercial Shopfronts and Entrances
Mounted above a shopfront entry, the DS-2CD3667G3-LIZSUY/SL can cover the full facade in 6MP detail and activate strobe and audio warnings if human activity is detected after trading hours, without requiring a separate alarm device at that position.
Car Parks and Open-Air Sites
ColorVu 3.0 maintains colour imaging in low ambient light environments such as underlit car parks, where IR-only cameras produce monochrome output. Vehicle classification through AcuSense keeps event logs clean and reduces unnecessary recording triggers.
Industrial Yards and Fence Lines
The IK10 vandal-resistant and IP67 weatherproof housing, combined with the -Y anti-corrosion option, makes this camera suitable for industrial yards, ports, and coastal sites where the environment would degrade standard housings over time.
Long Driveway and Gated Property Approaches
At the 12mm end of the varifocal range, the camera can frame a long driveway approach with enough resolution to distinguish individuals at distance. The strobe and audible warning can deter approach before reaching a gate or door, extending the effective security perimeter.
Choosing the Right Model
- Choose this model if: You need a single outdoor bullet camera that combines 6MP ColorVu 3.0 full-colour imaging, motorised varifocal framing, AcuSense event classification, and active deterrence with strobe and two-way audio at one mounting position, particularly in harsh or coastal outdoor environments.
- Choose a different model if: Your installation requires a discreet ceiling-mounted profile for indoor use, in which case a dome or turret camera will be a more practical housing choice. If active deterrence and audible warnings are not required, a fixed-lens bullet or turret camera at lower cost may deliver the resolution and weather protection needed without the additional deterrence hardware.
FAQs
- Does the DS-2CD3667G3-LIZSUY/SL record in colour at night without any external lighting?
Yes. ColorVu 3.0 uses the large-aperture lens and the camera’s white light illuminator to produce full-colour images in very low light conditions. The Smart Hybrid Light system can also switch from IR to white light when an event is triggered, maintaining colour capture across the illumination range up to 60m.
- How does the active deterrence function work on this camera?
When AcuSense detects a human or vehicle within the configured detection zone, the integrated strobe light and audible alarm activate automatically. The built-in microphone and speaker also enable two-way audio, so an operator can issue a live voice warning from a connected NVR or monitoring interface at the same time the strobe and alarm are triggered.
- What does the motorised varifocal lens allow installers to do?
The 2.8-12mm motorised varifocal lens allows remote zoom and focus adjustment through a connected NVR or configuration software after the camera is physically mounted. This means the field of view can be narrowed to cover a long driveway at 12mm or widened to capture a broad yard area at 2.8mm without repositioning the bracket.
- Is this camera suitable for coastal or harsh industrial environments?
Yes. The housing carries IP67 dust and water protection, IK10 impact resistance, and an operating temperature range of -30 degrees C to +60 degrees C. The -Y suffix in the model name DS-2CD3667G3-LIZSUY/SL denotes an anti-corrosion design, making it appropriate for sites exposed to salt air or chemical environments where standard outdoor cameras deteriorate faster.
- Can the camera continue recording if the network connection drops?
Yes. The onboard MicroSD slot supports cards up to 512GB, enabling edge recording locally on the camera. This means footage is captured and stored directly on the card if the NVR or network is temporarily unavailable, and can be retrieved once connectivity is restored.
- How does AcuSense reduce unnecessary alerts at busy outdoor locations?
AcuSense uses deep learning to classify detected motion as human or vehicle targets, distinguishing these from animals, foliage, and other irrelevant movement. At locations such as car parks or industrial yards where environmental motion is frequent, this significantly reduces the number of false alarm triggers compared to standard motion detection. Security Wholesalers carries this model for exactly this type of commercial application where alert accuracy is a key requirement.
- What compression format does the DS-2CD3667G3-LIZSUY/SL use and why does it matter?
The camera uses H.265+ compression, which reduces the bitrate and file size of 6MP footage compared to older codecs. In practical terms, this means the same NVR storage capacity retains more days of high-resolution footage, and network bandwidth requirements are lower when streaming or transmitting video remotely.
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