The Qnap VS-2004L-US VioStor Network Video Recorder (4-channel, 2 Bay) is standalone network surveillance system, which supports monitoring of IP cameras, video recording, playback and remote data access. It supports real-time 4-channel H.264, MPEG-4, and M-JPEG, recording from ONVIF-compliant IP cameras and other surveillance devices.
With the multi-server monitoring feature, the VioStor NVR allows you to simultaneously monitor up to 128 IP cameras from multiple NVR servers. The VioStor NVR features schedule recording, alarm recording, alarm recording schedule, motion-detection recording, and pre/post-alarm recordings. The digital zoom function of the NVR makes for flexible monitoring and playback. Use the web user interface to directly adjust the PTZ cameras.
Equipped with enhanced video search by IVA (Intelligent Video Analytics), the NVR offers features such as motion detection, foreign object, missing object, out of focus, and camera occlusion. It also offers high security to data by RAID 1, Online RAID Capacity Expansion, Online RAID Level Migration. The easy-to-install NVR supports 2 SATA hard drives and features such as event management, convenient backup solution, one-touch audio video backup, security control, E-map, digital zoom, digital watermarking, etc. File security can be ensured with the digital watermark feature.
The Linux-based network solution (for use in the US) is suitable for small and medium sized companies and SOHO such as small stores, restaurants, gas stations, storage yards, and garage.
|Compression||H.264, MPEG-4, M-JPEG (depending on the camera models)|
|Intelligent Video||Intelligent Video Analytics (Playback): Motion detection, missing object, foreign object, out of focus, and camera occlusion|
|Watermark||Digital Watermarking: Yes|
|Management||Advanced Event Management: Yes|
Remote Replication: Yes
Remote replication is supported within the same LAN only.close
|Storage||Up to 4TB (2 x 3.5" SATA/2.5" SATA/SSD) - The standard system ships without hard disk drives.|
|RAID||RAID 0, 1, JBOD/Linear|
|Processor||Dual-core Intel Atom processor|
|Display Modes||1/4/6/8/9/10/12/16/20/25/36/42-channel display, Picture-in-Picture mode, sequential mode, dual display mode|
Alarm recording/multiple alarm recording schedules
|Audio Support||Yes (depends on the cameras)|
USB 2.0 x3
Front: for USB storage device (one touch auto video backup)
Back: for UPS device
|Other Connectors||2x eSATA port (back); reserved|
|Network Interface||2x Gigabit RJ-45 Ethernet port|
|Protocols Supported||HTTP, TCP/IP, SMTP, DHCP, Static IP, DNS, DDNS, FTP, NTP, UPnP|
(for client PC)
Operation System: Microsoft Windows 7, Vista, XP
Web Browser: Internet Explorer 6.0 or later
Network Interface: 10/100/1000 Mbps
Display Resolution: 1024 x 768 pixels or above
|Operating Temperature||32 - 104° F (0-40° C)|
|Dimensions (HxWxD)||6.52 x 3.35 x 8.60" (165.5 x 85 x 218.4 mm)|
|Weight||2.01 lb (0.91 kg)|