Hikvision DS-2CD2166G2H-ISU — 6MP AcuSense fixed dome camera (2.8 mm)

The DS-2CD2166G2H-ISU is a versatile indoor/outdoor fixed dome network camera offering 6 MP resolution with Hikvision DarkFighter low-light imaging, AcuSense deep-learning classification (human/vehicle), 120 dB true WDR and efficient H.265+ compression. The ISU variant provides onboard microphone, two-way audio I/O and alarm I/O, plus PoE and microSD storage for flexible deployments.

• 6 MP (3200 × 1800) progressive scan CMOS
• DarkFighter low-light technology and 0.001 lux colour sensitivity
• AcuSense human/vehicle classification for reduced false alarms
• 120 dB true WDR, 3D DNR, BLC/HLC
• Built-in microphone and audio I/O (ISU variant) with multiple codec support
• H.265 / H.264 / H.265+ compression; bit rate 32 Kbps–16 Mbps
• IR up to ~30 m; PoE (IEEE 802.3af) or 12 VDC power
• microSD up to 512 GB, ANR; ONVIF Profile S/G/T
• Rugged IP67 / IK10 enclosure for outdoor use

Use cases: perimeter security, parking areas, retail, building exterior/interior surveillance where reliable human/vehicle detection and audio are required.

Compliance & installation: Refer to the official Hikvision datasheet and local regulations for CE/UKCA declarations and installation guidance. For safety, install using appropriate mounts and cable glands, and follow local electrical and data-networking standards.