Features:  • Up to 4 cameras with 1080p real time preview • H.264 dual-stream video compression • All channel 1080P • HDMI / VGA / TV simultaneous video output • 4 channel synchronous real time playback, GRID interface & smart search • 3D intelligent positioning with PTZ dome camera • Support 2 SATA HDD up to 8TB, 2 USB2.0 • Multiple tīkla monitoring: Web viewer, CMS (DSS/PSS) & DMSS   Technical Specifications:  System • Main Processor Embedded processor • Operating System Embedded LINUX • Video Input 4 channel, BNC • Standard NTSC(525Line, 60f/s), PAL(625Line, 50f/s) Audio Input • 4 channel, BNC • Output 1 channel, BNC • Two-way Talk Reuse audio input/output channel 1 Display Interface • 1 HDMI, 1 VGA, 1BNC • Resolution 1920×1080, 1280×1024, 1280×720, 1024×768, 800×600 • Display Split 1/4 • Privacy Masking 4 rectangular zones (each camera) • OSD Camera title, Time, Video loss, Camera lock, Motion detection, Recording Recording • Video/Audio Compression H.264 / G.711 • Resolution 1080P(1920×1080/1920×900)/(720P(1280×720/1280×600)/960H(960×576/960×480)/D1/4CIF(704×576/704×480)/CIF(352×288/352×240)/QCIF(176×144/176×120) • Record Rate Main Stream: 1080P/720P/960H/D1/HD1/2CIF/CIF(1~25/30fps) Extra Stream CIF/QCIF(1~25/30fps) • Bit Rate 48~8192Kb/s Record Mode • Manual, Schedule(Regular(Continuous), MD), Stop • Record Interval 1~120 min (default: 60 min), Pre-record: 1~30 sec, Post-record: 10~300 sec Video Detection & Alarm • Trigger Events Recording, PTZ, Tour, Video Push, Email, FTP, Spot, Buzzer & Screen tips • Video Detection Motion Detection, MD Zones: 396(22×18), Video Loss & Camera Blank • Alarm Input 4 channel • Alarm Output 3 channel Playback & Backup • Sync Playback 1/4 • Search Mode Time/Date, MD & Exact search (accurate to second) • Playback Functions Play, Pause, Stop, Rewind, Fast play, Slow play, Next file, Previous file, Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoom Backup Mode • USB Device / tīkla tīkla • Ethernet RJ-45 port (10/100M/1000M) • tīkla Functions HTTP, IPv4/IPv6, TCP/IP, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS, PPPOE, DDNS, FTP, IP Filter • Max. User Access 128 users • Smart Phone iPhone, iPad, Android, Windows Phone Storage • Internal HDD 2 SATA port, up to 8TB Auxiliary Interface • USB Interface 2 ports (1 Rear), USB2.0 • RS232 1 port, For PC communication & Keyboard • RS485 1 port, For PTZ control General • Power Supply DC12V/5A • Power Consumption 15W(without HDD) • Working Environment -10 ~+55°C / 10~90%RH / 86~106kpa • Dimension(W×D×H) 1U, 375mm×285mm×45mm • Weight 2.35KG(without HDD)