Hikvision DS-2CD2T46G2H-2I(2.8MM)(EF)/BLACK | 4MP AcuSense DarkFighter Bullet | 2.8mm Lens, 60m IR

FAQs

What is AcuSense technology and how does it reduce false alarms?

AcuSense technology uses deep learning algorithms to accurately distinguish between human and vehicle targets from other moving objects such as animals, foliage, or rain. This intelligent classification means the camera only triggers alarms for genuine security events, dramatically reducing nuisance alerts and allowing security teams to focus on real threats rather than investigating false positives.

What is the difference between the 2I and 4I versions of this camera?

The primary difference lies in the IR illumination range and power consumption. The 2I version (this model) features 2 IR LEDs providing up to 60m night vision with a maximum power consumption of 7.2W (9W via PoE). The 4I version has 4 IR LEDs extending the range to 80m but requires more power at 10W maximum (12W via PoE). Choose the 2I for most applications and the 4I when extended night vision distance is required.

Can this camera be powered using Power over Ethernet?

Yes, the DS-2CD2T46G2H-2I supports IEEE 802.3af PoE (Class 3), allowing both power and data to be transmitted over a single Ethernet cable. This simplifies installation by eliminating the need for separate power supplies. Alternatively, the camera can be powered using a 12 VDC power supply with a 5.5mm coaxial power plug. Both power options include reverse polarity protection.

What field of view does the 2.8mm lens provide?

The 2.8mm fixed focal lens delivers a wide-angle view with 100.2° horizontal, 54.7° vertical, and 119.7° diagonal field of view. This makes it ideal for monitoring large open areas such as car parks, building entrances, retail forecourts, and perimeters where comprehensive coverage is required. The wide angle provides excellent situational awareness whilst maintaining 4 MP detail across the entire scene.

How does the camera perform in extreme weather conditions?

The camera is rated IP67 for complete protection against dust ingress and temporary immersion in water, making it suitable for harsh outdoor environments. It operates reliably in extreme temperatures from -30°C to +60°C and humidity up to 95% (non-condensing). The all-metal construction (front cover, body, and mounting bracket) ensures long-term durability in demanding installation locations including coastal, industrial, and exposed perimeter sites.

What storage options are available with this camera?

The camera features an on-board microSD/SDHC/SDXC card slot supporting cards up to 512 GB for edge storage. It also supports network storage via NAS (NFS, SMB/CIFS) and includes Auto Network Replenishment (ANR) technology, which automatically stores footage locally on the memory card during network interruptions and uploads it when connectivity is restored, ensuring no recording gaps occur.

Is this camera compatible with third-party VMS and recording systems?

Yes, the DS-2CD2T46G2H-2I is ONVIF conformant supporting Profile S (streaming), Profile G (recording and storage), and Profile T (H.265 video). This ensures compatibility with third-party Video Management Systems and Network Video Recorders. The camera also supports Hikvision’s ISAPI and SDK for deeper integration, whilst providing standard protocols including RTSP for universal streaming compatibility.

What perimeter protection features does the camera include?

The camera includes four intelligent perimeter protection functions: line crossing detection, intrusion detection, region entrance detection, and region exiting detection. All of these analytics can be configured to trigger alarms specifically for human and vehicle targets, ignoring other movements. This focused detection makes the camera highly effective for perimeter security applications where accurate threat identification is critical.