Overview

The Hikvision DS-2CD2146G2H-ISU (4 mm) is a 4 MP (2688 × 1520) fixed vandal-resistant dome camera featuring Powered-by-DarkFighter low-light colour imaging, AcuSense deep‑learning analytics for human/vehicle classification, 120 dB true WDR and integrated audio and alarm I/O. Ideal for indoor or outdoor security applications where low-light performance and reduced false alarms are essential.

• 4 MP resolution (2688 × 1520) at up to 25/30 fps
• DarkFighter technology: excellent low-light colour imaging (min. illumination 0.001 Lux)
• AcuSense analytics: human/vehicle classification to reduce false alerts
• 120 dB true WDR for high-contrast scenes
• Fixed 4 mm lens (approx. 81.1° horizontal FOV); IR to 30 m (850 nm)
• Built-in microphone (‑SU), audio line in/out and alarm I/O
• H.265+/H.265/H.264+ compression, PoE (802.3af) or 12 VDC, microSD up to 512 GB
• IP67 weatherproof and IK10 vandal-resistant, operating −30 °C to 60 °C

Why this camera

• Reduced false alarms and improved detection accuracy with AcuSense — good for busy sites and perimeter monitoring
• Outstanding low-light colour performance from DarkFighter — useful for 24/7 surveillance without heavy reliance on IR
• Flexible installation: PoE or 12 VDC, local SD or network storage and ONVIF compatibility for third‑party VMS

Use cases

• Retail and commercial premises for people/vehicle detection
• Outdoor perimeters and car parks where vandal resistance is required
• SME and enterprise CCTV where low-light colour imaging and analytics improve situational awareness

Compliance & installation

• Supports common network protocols and ONVIF profiles — consult the official datasheet for full protocol and compliance details
• Refer to the Hikvision datasheet and local regulations for CE/UKCA marking, wiring, earthing and installation safety. Installation should be performed by a qualified engineer following BS 7858 / IET wiring practices where applicable.