The Dahua PSDW5231SP-B120 Multi-Sensor plus PTZ camera combines a 2MP camera and a high-speed PTZ camera . With its all-in-one design, the camera provides a 120° monitor and provides region of interest details at the same time. In addition, the PSDW5231SP-B120 offers the Intelligent Video System (IVS), a built-in video analytic algorithm that delivers intelligent functions to monitor a scene for Tripwire violations, intrusion detection.