DS-2CD2443G2-I (2 mm) 4MP AcuSense Indoor Cube IP Camera, 120 dB WDR, PIR, PoE

Introduction: Meet the DS-2CD2443G2-I 4MP AcuSense Indoor Cube Camera

The DS-2CD2443G2-I (2 mm) is a compact 4 MP AcuSense indoor cube IP camera designed to deliver sharp video, reliable analytics and simple installation for interior surveillance.Combining a 4 MP sensor with 120 dB WDR, Hikvision's AcuSense deep‑learning classification, a built‑in PIR sensor and two‑way audio, this cube camera targets retail counters, offices, reception areas and other indoor environments where situational awareness and low false alarm rates matter.

• 4 MP (2688 × 1520) resolution for clear detail
• 120 dB WDR to handle high‑contrast scenes
• AcuSense human/vehicle classification and perimeter rules to reduce false alarms
• Built‑in PIR transducer for body detection (up to ~8 m)
• Onboard microphone and 1 W speaker for two‑way audio and audible warnings
• Flexible power: PoE (IEEE 802.3af) or 12 VDC; onboard microSD up to 512 GB

Detailed specifications and benefits

Beyond the headline features, the DS-2CD2443G2-I packs capabilities that make it practical and effective for everyday indoor surveillance. Below is a breakdown of the most important specifications and what they mean in real‑world use.

• Sensor & resolution:A 1/3" progressive‑scan CMOS sensor delivers up to 2688 × 1520 (4 MP). That extra pixel density helps capture facial details, small objects and signage that 2 MP cameras might miss.
• Lens (2 mm):The 2 mm lens provides a very wide field of view (horizontal ~128°), making the camera well suited to monitor compact spaces such as counters, small retail areas or reception desks without requiring multiple devices.
• 120 dB WDR:Wide dynamic range helps retain detail in scenes with bright windows or backlighting — essential when you need recognisable detail across both bright and dark areas.

• Minimum illumination:Color performance down to around 0.008 lux and B/W operation with IR support; smart IR supplement provides usable imagery up to ~10 m in low‑light situations.

• AcuSense deep‑learning:Human/vehicle classification helps prioritise meaningful events and reduces nuisance alerts from moving shadows, pets or foliage seen through windows.
• PIR transducer:The built‑in PIR detects body heat (horizontal 90°, vertical 80°, range to ~8 m) and can be used to trigger recordings or alarms only when a person is physically present — further cutting false positives from purely video‑based triggers.

• Two‑way audio:Built‑in microphone plus 1 W speaker enable vocal warnings, customer interactions or simple announcements through the camera. Audio codecs include G.711, AAC‑LC and others for compatibility across systems.
• Networking & protocols:Standard 10/100 Mbps Ethernet with support for ONVIF, RTSP and common network protocols ensures integration with NVRs and VMS platforms. Up to six simultaneous live views are supported.
• Local & network storage:MicroSD up to 512 GB (ANR supported) or NAS (NFS, SMB/CIFS) provide flexible options for video retention without immediate NVR investment.

• Power:12 VDC or PoE (IEEE 802.3af Class 3) simplifies deployment; PoE is especially convenient for retrofits or locations without nearby power outlets.
• Size & weight:Compact dimensions (approx. 102.9 × 65.2 × 28.8 mm; ~120 g) allow discreet placement on desks, shelves or small mounts.
• Operating conditions:Designed for indoor environments; operating temperature range typically −10 °C to 40 °C with ≤95% non‑condensing humidity.

Use cases and scenarios where the DS-2CD2443G2-I excels

This camera is engineered specifically for interior spaces where a blend of image quality, analytics and audio is needed. Typical applications include:

• Wide 2 mm lens covers point‑of‑sale areas and customer interactions. AcuSense and PIR together reduce false alarms caused by lighting changes or inanimate movement while focusing on human presence for alerts.

• Use the camera to monitor entryways, reception desks and shared office spaces. Two‑way audio lets security personnel or receptionists communicate with visitors remotely, while onboard analytics can flag after‑hours activity.

• The wide field of view and WDR make it suitable for long corridors with mixed lighting, while PoE keeps cabling simple in retrofit scenarios.

• The DS-2CD2443G2-I works well as part of a layered system: pair it with corridor‑optimized cameras or higher‑zoom PTZs to give both wide coverage and detail‑on‑demand.

How it compares with similar products

When choosing an indoor cube camera, several considerations typically guide the decision: analytics capability, sensor resolution, audio, power options and price. Here’s how the DS-2CD2443G2-I stacks up in common comparisons.

• Resolution advantage: 4 MP provides more detail for identification and evidence capture than standard 2 MP models.
• Analytics: AcuSense classification is a notable step up from basic motion detection, delivering fewer false alarms and more actionable alerts.

• PIR offers an independent sensor that confirms human presence by heat signature, further reducing false positives from non‑thermal movement (like lights or reflections).

• While 4 MP is not the highest resolution available, it balances image clarity with storage and bandwidth efficiency. For scenes requiring optical zoom or panoramic stitching, a PTZ or multi‑camera solution may be preferable, but at higher cost and complexity.

• At a suggested retail price around $119.99, the DS-2CD2443G2-I offers a competitive mix of analytics, audio and PoE convenience that many basic indoor cameras don’t provide, making it an excellent mid‑range option.

Customer feedback and real‑world impressions

Publicly available reviews for specific models can vary by vendor and region. From installer notes and typical user reports for cameras in this class, some recurring themes emerge:

• Installers:Appreciate the compact size, PoE capability and easy integration with ONVIF‑compatible NVRs, which speeds deployment and reduces cabling work.
• Retail managers:Value the combination of wide FOV and analytics — the camera frequently captures customer interactions clearly while minimizing nuisance alerts.
• End users:Common comments highlight the convenience of two‑way audio for remote greetings or warnings, and the peace of mind that microSD backup offers when network interruptions occur.

If you are considering this model, check seller pages and integrator reviews for region‑specific feedback, firmware updates and any notes about compatibility with your VMS or NVR platform.

Conclusion: Why the DS-2CD2443G2-I is a strong choice for indoor surveillance

The DS-2CD2443G2-I (2 mm) balances image quality, smart analytics and practical installation features in a compact package. Its 4 MP sensor and 120 dB WDR deliver clear, usable footage in varied indoor lighting, while Hikvision's AcuSense and an onboard PIR help filter out false alarms and focus attention on genuine human activity. Two‑way audio and flexible storage options further broaden its usefulness across retail, office and reception scenarios.

In short:For organisations and installers seeking an affordable, mid‑range indoor camera that combines reliable analytics, audio capability and the convenience of PoE, the DS-2CD2443G2-I is a compelling option. As with any security purchase, verify local compliance (CE/UKCA/FCC as applicable), confirm compatibility with your recording infrastructure and consult up‑to‑date datasheets or firmware notes from Hikvision before deployment.