PLANET NVR-420 This is a 4-Channel Local Display NVR, Full HD Res. H.264/MPEG4/MJPEG, 2*SATA HDD, HDMI/RCA output, Remote Control with USB, 2-way Audio, eMAP, Auto Configuration, 256-ch CMS and ONVIF. This camera isdesigned for homes, SOHOs, SMBs and retail stores. This can manage16 units of NVRs at the same time, where in there are 64 channels of IP cameras being viewed simultaneously. It has multi-monitor and E-Map function for administrator’s effcient monitoring.