Overview
The Hikvision DS-2CD2E43G2-U is a compact 4 MP AcuSense in‑ceiling mini dome IP camera designed for reliable indoor surveillance. It combines 2688×1520 resolution, AcuSense human/vehicle classification and on‑device perimeter protection with flexible PoE power and local storage.

• 4 MP (2688 × 1520) at up to 30 fps with H.265/H.265+/H.264 compression
• AcuSense deep‑learning human & vehicle classification; perimeter protection (line crossing, intrusion)
• 2.8 mm fixed lens (103° horizontal FOV), F1.6 aperture, tilt adjustment
• 120 dB WDR, 3D DNR, BLC/HLC and built‑in microphone
• PoE (802.3af) support, microSD up to 256 GB, ONVIF Profile S/G

Use cases
Ideal for retail, offices, corridors and other indoor spaces where discreet ceiling mounting and accurate detection (reduced false alarms) are important. Suitable for both contractor installations and DIY for experienced installers.

Installation & compliance
Supports PoE for simple installation or 12 VDC power. Follow local electrical regulations and use a qualified installer for permanent mains work. Check product labelling and documentation for CE / UKCA compliance details where applicable.

Storage & network
On‑board microSD support (up to 256 GB), NAS (NFS/SMB) and ANR options; standard 10/100 Mbps Ethernet with ONVIF compatibility for integration.