The QNAP 2-bay VS-2204 Pro+ VioStor NVR, available in a tower form factor with 4 channels, is designed micro-size with rich functions to convey high cost-efficiency for SMB and SOHO users. Compact but fully loaded with advanced features, the VS-2204 Pro+ series supports Full HD 1080P Local Display, built-in alarm GPIO for enhancing security management, QSCM Lite for central management of multiple NVRs, and more. 180 Mbps for recording and playback from multiple megapixel cameras HDMI output delivers up to 200fps Full HD local display Simultaneously handles inputs from up to 4 megapixel cameras Large capacity to ensure continuous high-resolution video recording Install free QSCM Lite from App Center to enjoy advanced CMS features Ultra high performance Powered by a Quad-core Intel® 2.0GHz processor(burst up to 2.41GHz) and energy-efficient 4GB DDR3L memory, the VS-2204 Pro+ delivers quality performance with up to 180 Mbps throughput to ensure steady recording from multiple megapixel IP cameras. High reliability The VS-2204 Pro+ supports Single/ RAID 0 (disk stripping)/ RAID 1 (disk mirroring)/ JBOD/ Linear configurations and hot-swapping to allow replacing hard drives without interrupting system operations. QNAP's advanced RAID recovery technology also assists if any healthy drives are accidentally removed from a degraded RAID volume. The system can be recovered to degraded mode by reinserting the wrongly removed hard drives so the data can still be accessible. The Global Hot Spare function also allows a drive to automatically replace a failed drive in a RAID volume, preventing data from being lost. PC-less network surveillance by full HD local display via HDMI connector Even without a PC, the VS-2204 Pro+ can be configured and perform monitoring tasks with the local display technology by connecting a USB mouse, USB keyboard and HDMI monitor to deliver lag-free live video monitoring in Full HD (1920x1080) resolution. QNAP local display technology provides a straightforward way to reduce the total costs in your business environment. Cruise for wider areas, zoom in for greater detail With QVR system, users can easily manage & monitor multiple IP cameras in a real-time basis using web browsers, and attain the first-hand status of monitored corners. You can directly adjust the PTZ (Pan/Tilt/Zoom) functions of supported cameras, flexibly monitoring every desired corner and detail. Auto-cruising is also supported to allow you to define preset positions for PTZ cameras to automatically adjust their monitoring angles to preset positions by the time interval. Multiple IP camera management comes easy You can directly configure IP camera recording schedules when needed without leaving the Live-view page, maintain a seamless monitoring so you won't miss any suspicious events. You can also visualize IP camera deployment with the E-map function. Just upload the pictures of the monitored locations, drag and drop the IP camera icons to the right place on the E-map, and you can easily monitor your surveillance deployment at a glance.