4 channel digital recorder with network card and USB port. High quality images using compression MJPEG, CIF: MPEG 4 100fps recording rate in CIF 25 fps full size. 4 PAL or NTSC video input 1 Vp-p/75ohm (BNC). 1 main video output + 1 alarm PAL composite video output - 1 Vp-p/75ohm (BNC). Distributor integrated video. 1 audio input and 1 audio output HD 250 Gbytes IDE ATA 6.6 optional maximum size. HD 400Gbytes. Back up on removable memory with USB interface. 10 100 Base-T Ethernet interface Supported protocols TCP / IP, ICMP, SMTP, HTTP, FTP. Image transmission protocol MJPEG. Support Pelco D protocol for speed dome. 4 alarm inputs 1 output relay. Timer management record. Motion detection on every channel with 16x12 grid with 256 levels of sensitivity. Video loss for a single camera. Full-screen 2 * 2. Capacity on board. Alarm input and 1 relay output. Optional VGA output. Operating temperature 10C ° 40C ° Dimensions 345mm (W) x 68.3mm (H) x 225mm (D). AC 100 - 240 Volt Vac. Consumption <42W