SPECO DVR-4WRS500 4 CH COVERT DVR NET 500GB H.264

PN / PRO-D4WRS500 *   Overview Video Out: 1 VGA, 1 BNC, 1 SPOT A patented DVR solution that easily mounts in equipment closets or electrical rooms for covert installations User Access: up to 4 concurrent users Easy and simple graphical user interface 2-way audio communication   Features Video Out: 1 VGA, 1 BNC, 1 SPOT A patented DVR solution that easily mounts in equipment closets or electrical rooms for covert installations User Access: up to 4 concurrent users Easy and simple graphical user interface Digital Deterrent supports up to 8 audio files for triggering during sensor or motion detection 2-way audio communication Programmable recording on motion detection, sensor, schedule, continuous and manual Built-in S.M.A.R.T. Technology (Self-Monitoring, Analysis and Reporting Technology for HDD) 4 channel audio recording / 1 channel audio out Easy firmware upgrade by USB port or network Remote monitoring / recording / playback / configuration / software upgrades and PTZ control via i