Synology Network Video Recorder DVA1622, 2 Bay, Supports up to 16 Cameras, 8 Licenses, 3 Year Warranty (Extend warranty with EW201)Synology NVR DVA1622 is a 2 bay desktop recording server that gives home and small business users access to fast, smart, and accurate video surveillance powered by deep learning based algorithms. Built in automated event detection helps safeguard properties by detecting people, vehicles, or objects and alerting staff when selfconfigured rules or thresholds are breached.