Dahua DHI-NVR4104HS-P-EI - 4-Channel WizSense PoE Network Video Recorder with Intelligent AI Technology The Dahua DHI-NVR4104HS-P-EI is a modern network video recorder from Dahua’s proven WizSense series. It combines intelligent video analytics with ease of use and high reliability. This makes it suitable for both residential use and for stores, offices, and small businesses looking for an efficient and secure surveillance solution. With support for up to four surveillance cameras and built-in PoE (Power over Ethernet) ports, the entire video surveillance system can be set up quickly and conveniently.