Grandstream Network Video Recorder

Grandstream Network Video Recorder (NVR) GVR3550 
-    Up to 24 channels of 720p HD or 12 channels of 1080p HD audio/video real-time recording
-    1 RJ45 10M/100M/1000M network interface.
-    Up to 4 SATA 3.5” internal hard drives with maximum 16TB storage (RAID 0 or RAID 1 configurations)
-    16 channels (VGA), 4 channels (720p) or 2 channels (1080p) via HDMI or VGA output for local playback and live monitoring 
-    Fully customizable recording rules: time based, event based, manual or automatic
-    Automatic discovery for IP cameras on the local network
-    Automatic recording resume after power failure and automatic storage recycling
-    Security features; Role based access control, event/system logs and hard drive content encryption
-    Supports Motion Detection with up to 16 motion detection target areas
-    A variety of alert options and the ability to integrate with external alarm and audio devices
-    Supports Grandstream IP Cameras and third party ONVIF compliant SIP cameras