Windows based Blackjack Tower NVR Powered by DW Spectrum IPVMS.  4 camera licenses pre-installed, 360 Mbps of recording throughput,  DVI-D/DVI-I, Windows 10 with cross platform support for Windows and MAC client software,  i5 Processor, Dual Network Card, OnVIF Profile S compliant,  Graphic System Health Monitor with scheduled auto reboot for hardware performance, True Enterprise Scalability, Automatic Camera Detection, Local Client Display, Fully Customizable Layouts, Easy Drag and Drop Camera Management and Recording, E-Mapping, Advanced Motion Masking and Sensitivity Settings ,6TB HDD, One-time license charge, fully transferable, with no annual maintenance fees . 5 Year Limited Warranty