4 MP AcuSense Fixed Mini Bullet Camera (2.8/4/6 mm), IP67 DS-2CD3046G2-IS

Introduction to the 4 MP AcuSense Fixed Mini Bullet Camera (DS-2CD3046G2-IS)

The DS-2CD3046G2-IS is a compact outdoor bullet IP camera engineered for reliable perimeter and site surveillance. With a 4 MP sensor, AcuSense deep‑learning classification, DarkFighter low‑light enhancement and a rugged IP67 aluminium housing, this camera is designed to capture clear, actionable video around the clock while reducing nuisance alarms. It supports flexible power options including PoE and on‑board storage, making it suitable for commercial, industrial and residential security projects.

Key features at a glance

• Resolution:4 MP (2688 × 1520) at up to 30 fps
• AcuSense human/vehicle classification:reduces false alarms from animals, foliage and other non‑threat movements
• DarkFighter low‑light technology:exceptional color and detail in challenging lighting, plus up to 40 m IR for full darkness
• 120 dB True WDR & image tools:handles complex lighting with backlight compensation, HLC/BLC and defog
• Flexible deployment:PoE (IEEE 802.3af) or 12 VDC power, microSD up to 512 GB, and HEOP support for third‑party apps
• Ruggedised:aluminium IP67 housing and wide operating temperature range for reliable outdoor use

Detailed specifications and benefits

Beyond the headline features, the DS-2CD3046G2-IS packs a range of technical capabilities that translate into practical benefits for installers and end users. Below is a practical breakdown of the camera’s main specifications and what they mean in real world deployments.

• Sensor:1/3" progressive‑scan CMOS — delivers crisp 4 MP images with good sensitivity and motion performance.
• Resolution & frame rate:2688 × 1520 at up to 30 fps (60 Hz support) — high enough detail for licence plate reading at moderate ranges and clear facial recognition at typical perimeter distances.
• Lens options:2.8 mm, 4 mm or 6 mm M12 lenses — choose wider coverage (2.8 mm) or tighter fields for longer sightlines (6 mm).
• Aperture:F1.4 fixed iris — good low‑light gathering capability when combined with DarkFighter processing.

• DarkFighter technology:improves colour and clarity at very low illumination, allowing earlier detection and identification than conventional sensors.
• IR range:Up to 40 m with smart IR — reliable black‑and‑white imaging in total darkness for perimeter coverage.
• 120 dB True WDR:handles scenes with both bright and dark areas (for example a doorway lit from behind), reducing blown highlights and blocked shadows.

• AcuSense classification:deep‑learning algorithms differentiate humans and vehicles from other motion sources so that alarm streams are more relevant and actionable.
• Benefits:fewer needless alerts to review, lower storage and bandwidth wasted on non‑critical events, and faster response to real incidents.

• Efficient codecs:H.265 / H.264 and enhanced variants (H.265+/H.264+) reduce bitrate while maintaining image quality, lowering storage and network load.
• On‑board & network storage:microSD support up to 512 GB plus NAS compatibility for flexible recording architectures.
• Networking & power:10/100 Mbps Ethernet with PoE (IEEE 802.3af) simplifies installation by removing the need for a separate power run in many cases.

• Housing:Aluminium IP67 — sealed against dust and heavy rain for exposed outdoor installations.
• Operating conditions:Rated from -30 °C to 60 °C and tolerant of high humidity (≤95% non‑condensing).
• Power consumption:Typical power draw is low (around 7–8.5 W depending on supply) which is PoE friendly.

Use cases and ideal scenarios

This camera suits a range of perimeter and site security roles where a balance of image quality, low‑light performance and smart analytics is required. Typical deployments include:

• Perimeter fencing and property lines:Use the 6 mm lens option to monitor long reaches of fencing or narrow driveways where detail at distance matters.
• Car parks and entrances:AcuSense reduces alarm noise caused by swaying trees, shadows or small animals while retaining human/vehicle detection for suspicious activity.
• Warehouses and loading bays:4 MP resolution gives good detail for verifying deliveries and monitoring vehicle movement in twilight or night thanks to DarkFighter and IR.
• Residential perimeters:Compact form and discrete mounting make it suitable for gated homes or driveways where round‑the‑clock visibility is required.
• Retail exteriors:Protect store fronts and external walkways with reliable analytics to flag loitering or after‑hours movement.

How it compares with similar products on the market

When evaluating the DS-2CD3046G2-IS against other 4 MP outdoor fixed bullet cameras, several differentiators emerge:

• AcuSense vs basic motion detection:Many cameras rely on simple motion alarms that trigger on any change in pixels. The AcuSense classification significantly reduces false positive alerts by targeting humans and vehicles specifically — a material advantage in busy or vegetation‑heavy environments.
• DarkFighter vs standard low‑light:Some rivals offer only traditional low‑light sensitivity or aggressive IR illumination which results in monochrome images; DarkFighter retains color and more usable detail in near‑dark conditions, improving recognition and situational awareness.
• Resolution tradeoffs:Comparing to 2 MP models, the 4 MP sensor provides noticeably more detail for identification tasks without a large increase in bandwidth when using H.265 compression. Against higher resolution models (6–12 MP), the DS-2CD3046G2-IS strikes a cost‑effective balance between coverage, storage and low‑light performance.
• Build & deployment:IP67 aluminium housing and small footprint make it tougher and more versatile than many plastic‑cased counterparts intended only for light outdoor use.

Customer feedback and representative reviews

While individual experiences depend on deployment and configuration, installers and system owners typically highlight the following in field feedback:

• "AcuSense drastically cut down on nuisance notifications — we see real events more quickly." (Installer feedback)
• "DarkFighter produced usable colour images at dusk where our older cameras went monochrome." (Site manager comment)
• "PoE made installation fast and tidy; the camera boots quickly and integrates with our NVR." (Integrators)

These representative comments reflect common strengths reported in comparable deployments: simplified alarm handling, improved low‑light recognition and straightforward networked installation. Prospective buyers should evaluate the camera in their specific lighting and mounting conditions and keep firmware updated for best results.

Installation, compliance and practical notes

Install according to local electrical and safety regulations. Use an appropriate mount, weather sealing and surge protection for exposed locations. Confirm CE/UKCA or local certifications where required and ensure the camera runs the latest firmware to benefit from security patches and algorithm improvements. If you are unsure about cabling, PoE power budgeting or network configuration, consult a qualified installer.

Conclusion: why choose the DS-2CD3046G2-IS

The 4 MP AcuSense Fixed Mini Bullet Camera DS-2CD3046G2-IS is a practical choice for anyone needing reliable outdoor perimeter surveillance with a focus on meaningful alerts and strong low‑light performance. It combines a capable 4 MP sensor, DarkFighter imaging, and AcuSense classification with flexible PoE power, robust IP67 construction and common storage options. For commercial sites, car parks, residential perimeters and similar applications, it offers an excellent balance of image quality, intelligence and cost‑effectiveness. If your priority is fewer false alarms, better night usability and a compact, weatherproof package, this camera should be on your shortlist.