Product Overview
Combining red and blue strobe deterrence with 8MP ColorVu 3.0 full-colour imaging, the DS-2CD2387G3-LIS2UY/SRB is a turret camera built for eave, soffit, and wall mounting at outdoor locations where a visible, high-urgency alert response matters as much as the footage itself. The red and blue strobe is the defining feature of this SRB variant, producing a high-alert visual response that draws more immediate attention than a standard white flash when a human or vehicle is detected. Featuring Smart Hybrid Light that switches between infrared and warm LED based on scene activity, AcuSense classification to filter non-human motion, and a built-in dual microphone and speaker for two-way audio, it goes well beyond passive recording. The IP67 and NEMA 4X anti-corrosion rating makes it suited to coastal, humid, and harsh outdoor environments. Only available with a 2.8mm fixed lens offering a 108.8-degree horizontal field of view.
Key Capabilities
Red and Blue Strobe Active Deterrence
The SRB variant fires a red and blue strobe on human or vehicle detection, producing a high-urgency visual alert that is harder to dismiss than a plain white flash. Combined with the built-in speaker for audible warnings, this creates an active on-site response at the moment an event occurs rather than simply recording it.
ColorVu 3.0 Full-Colour Night Vision
A 1/1.8-inch progressive scan CMOS sensor and a minimum illumination of 0.0005 Lux allow the DS-2CD2387G3-LIS2UY/SRB to produce full-colour footage in near-darkness. Colour detail at night significantly improves the usefulness of recorded footage for identification purposes compared to greyscale infrared images.
Smart Hybrid Light Switching
The camera automatically switches between infrared and warm white LED illumination depending on detected activity. In Smart mode, the supplemental white light activates when a person or vehicle is confirmed, preserving colour detail precisely when it is most needed while reducing unnecessary light output during quiet periods.
AcuSense Human and Vehicle Classification
Deep learning analytics distinguish people and vehicles from other motion sources such as animals, foliage, and passing lights. This means the red and blue strobe and audio alarm are triggered by relevant events rather than irrelevant movement, reducing unwanted alerts across overnight monitoring periods.
Two-Way Audio with Dual Microphones and Speaker
A built-in dual microphone array and integrated speaker support real-time two-way audio communication. This allows operators to speak directly to a person on site while also capturing clear ambient audio for evidential recordings, without requiring any external audio hardware.
NEMA 4X Anti-Corrosion and IP67 Rating
The IP67 ingress protection and NEMA 4X anti-corrosion certification make this camera suitable for coastal installations, high-humidity sites, and locations subject to salt air, industrial fumes, or frequent washdown. The housing is rated to withstand conditions that would degrade standard outdoor cameras more quickly.
Best For
- After-Hours Retail and Commercial Premises: The red and blue strobe with audible alarm activates on confirmed human detection, providing a strong on-site deterrent when staff are not present and standard passive recording is insufficient.
- Driveways, Gates, and Private Entrances: The 2.8mm fixed lens covers a 108.8-degree horizontal field of view, making it well suited to wide entry points where a single camera needs to capture approaching persons and vehicles across the full approach zone.
- Coastal and Humid Outdoor Environments: NEMA 4X anti-corrosion certification alongside IP67 protection supports long-term installation at beachside, marina, or industrial sites where standard housings are at higher risk of corrosion failure.
- Sites Requiring Visible Active Response: Warehouses, schoolgrounds, community facilities, and loading areas where the goal is not only to record events but to visually communicate that the site is actively monitored and will respond to detected intrusion.
Why Choose the DS-2CD2387G3-LIS2UY/SRB
The DS-2CD2387G3-LIS2UY/SRB is the only variant in this camera line that combines the 8MP ColorVu 3.0 sensor platform with a red and blue strobe rather than a standard white strobe. That distinction changes how the camera is perceived on site. A white strobe can be dismissed as a floodlight or automatic sensor light. A red and blue strobe produces a high-alert colour association that is harder to ignore and more likely to interrupt an intrusion attempt at the moment it starts. When paired with AcuSense detection that limits triggers to confirmed persons and vehicles, the strobe fires when it is genuinely needed. Add the built-in dual microphone and speaker for two-way audio, NEMA 4X corrosion resistance for demanding outdoor environments, and onboard microSD storage up to 512GB, and this camera suits locations that need a capable, self-contained deterrence and recording solution. Available through Security Wholesalers, it is suited to installers and end users looking for active deterrence with a step up in visual urgency over standard white-strobe cameras.
Buyer Decision Tips
Lens Availability: The SRB red and blue strobe variant of the DS-2CD2387G3-LIS2UY is only available with the 2.8mm fixed lens, providing a 108.8-degree horizontal field of view. If your installation requires a narrower angle for a longer corridor or entrance approach, this specific variant is not suitable. A tighter field of view on this model requires choosing a different variant confirmed to offer the 4mm lens option.
Active Deterrence Placement: Because the red and blue strobe and audio alarm trigger on human or vehicle detection via AcuSense, camera placement directly affects how effective the deterrence response will be. Mount the camera so that the detection zone covers the intended approach path clearly, and ensure the strobe is visible from the angle a person would be approaching from. Mounting too high or at an oblique angle may reduce both detection accuracy and strobe visibility.
Key Features & Technical Specifications
| Model |
DS-2CD2387G3-LIS2UY/SRB |
| Resolution |
8MP (3840 x 2160) |
| Image Sensor |
1/1.8″ Progressive Scan CMOS |
| Lens Type |
Fixed |
| Focal Length |
2.8mm (only available lens in SRB variant) |
| Horizontal Field of View |
108.8 degrees (2.8mm) |
| DORI Distance (2.8mm) |
Detect: 90m / Observe: 35.8m / Recognise: 18m / Identify: 9m |
| Minimum Illumination |
0.0005 Lux @ F1.0, AGC ON |
| Night Vision Range |
Up to 30m (IR or white light) |
| Smart Hybrid Light |
IR, white light, and Smart auto-switching modes |
| Active Deterrence |
Red and blue strobe light and built-in speaker with audible alarm |
| Audio |
Built-in dual microphone and speaker (two-way audio) |
| Video Compression |
H.265+, H.265, H.264+, H.264 |
| Shutter Speed |
1/3s to 1/100,000s |
| Local Storage |
MicroSD up to 512GB |
| Power Supply |
12VDC or PoE (IEEE 802.3at, Class 4) |
| Ingress Protection |
IP67, NEMA 4X Anti-Corrosion |
| Analytics |
AcuSense human and vehicle detection (deep learning) |
Ideal Use Cases
Retail Shopfronts After Hours
The AcuSense-triggered red and blue strobe and audio alarm activate on confirmed human detection, giving an unmistakable alert response at a shopfront or entrance when the premises is unoccupied. Two-way audio via the built-in speaker supports remote operator response in real time.
Residential Driveways and Entry Gates
The 2.8mm lens and 108.8-degree horizontal field of view cover wide driveway approaches effectively from an eave or wall mount. ColorVu 3.0 captures full-colour footage throughout the night, supporting identification of visiting persons and vehicles without relying solely on infrared greyscale.
Coastal and Marine Environments
IP67 dust and water ingress protection combined with NEMA 4X anti-corrosion certification supports installation at marinas, coastal properties, boat sheds, and other sites where salt air or moisture accelerates housing degradation on cameras without specialist rated enclosures.
Warehouse and Yard Perimeters
At warehouses and outdoor yards where after-hours intrusion is a concern, the red and blue strobe creates a high-visibility alert response that a security guard or remote monitoring operator is unlikely to miss, while 8MP resolution captures detail sufficient for evidential use.
Schools, Childcare, and Community Facilities
Overnight monitoring at community buildings benefits from the combination of AcuSense to limit nuisance alerts and an active deterrence response that communicates the site is monitored. MicroSD storage up to 512GB supports local retention without immediate dependence on NVR connectivity.
Choosing the Right Model
- Choose this model if: Your installation requires active deterrence with a red and blue strobe response triggered by AcuSense human or vehicle detection, and the location benefits from a wide 108.8-degree field of view from a 2.8mm fixed lens, particularly in coastal, humid, or corrosive environments where NEMA 4X anti-corrosion housing adds long-term durability.
- Choose a different model if: You need a narrower field of view for a longer corridor, entrance lane, or distant detection zone. The SRB variant is only available with the 2.8mm lens, so applications requiring a 4mm or varifocal lens are not served by this specific model. If a white strobe is sufficient and a wider lens choice is important, the standard white-strobe variant of this camera line may be more appropriate for your installation.
FAQs
- What is different about the SRB variant compared to a standard version of this camera?
The SRB suffix identifies this as the red and blue strobe variant. Where a standard model uses a white strobe for active deterrence, the DS-2CD2387G3-LIS2UY/SRB fires a red and blue alternating strobe when AcuSense detects a person or vehicle. Red and blue are high-urgency alert colours that draw stronger immediate attention than a white flash, particularly in low-light outdoor environments.
- Is the 4mm lens option available for this camera?
No. Based on confirmed product data, the SRB red and blue strobe variant is only available with the 2.8mm fixed lens, which provides a 108.8-degree horizontal field of view. If your installation requires the narrower 93.3-degree field of view offered by the 4mm lens, this specific variant is not compatible with that requirement.
- Does this camera support two-way audio out of the box?
Yes. The DS-2CD2387G3-LIS2UY/SRB has a built-in dual microphone array and a built-in speaker, which together enable real-time two-way audio communication. No additional microphone or speaker hardware is required. This allows an operator connected through compatible software to both hear on-site audio and speak through the camera to a person in the detection zone.
- What triggers the red and blue strobe and audio alarm?
The strobe and speaker alarm are triggered by AcuSense detection events, specifically the classification of a person or vehicle within the camera’s field of view. AcuSense uses deep learning to distinguish human and vehicle movement from other motion sources such as animals, foliage, or passing vehicles outside the monitored zone, which reduces the frequency of unwanted alerts.
- What does the NEMA 4X rating mean for outdoor installation?
NEMA 4X is an anti-corrosion certification that goes beyond standard IP67 weatherproofing. It confirms the housing can withstand exposure to corrosive agents including salt air, chemical fumes, and humid environments without the casing deteriorating. This makes the DS-2CD2387G3-LIS2UY/SRB specifically suited to coastal, marine, and industrial outdoor installations where a camera with only an IP67 rating may have a shortened service life.
- Can this camera record locally without a connected NVR?
Yes. The camera supports a microSD card up to 512GB for onboard video storage. This allows local recording independently of a network video recorder, which can be useful as a backup retention method or in standalone installations where an NVR is not part of the system design. The camera also supports PoE via IEEE 802.3at (Class 4) or 12VDC power input.
- What illumination range does the Smart Hybrid Light provide?
Both infrared and white light illumination reach up to 30 metres. In Smart mode, the camera uses infrared by default and switches to warm white LED when a person or vehicle is confirmed by AcuSense detection. This preserves colour detail in the footage at the moment it matters most without keeping the white light active continuously throughout the night. The DS-2CD2387G3-LIS2UY/SRB is available through Security Wholesalers for installers and trade buyers requiring active deterrence cameras with NEMA 4X housing.
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