The Dahua 2MP 4CH Two Way Audio DVR (DH-XVR1B04-I/T) is a WizSense HDCVI Digital Video Recorder designed to provide dependable recording and management for compatible CCTV camera systems. It serves as the central recording device within a surveillance installation by connecting multiple cameras and storing recorded video on an internal hard drive (not included unless otherwise specified by the seller).

The recorder supports 4 camera channels, recording resolutions of up to 1080P, and Two-Way Audio functionality. As part of the Dahua WizSense product family, it also incorporates intelligent recording technologies and efficient video compression features displayed on the product packaging.

Suitable for homes, offices, retail stores, schools, hotels, warehouses, factories, and commercial premises, this DVR offers a practical solution for everyday surveillance recording requirements.