16-Channel 4K NVR with 2 SATA HDD Bays (NVR30216S2P16) used you can use the USB

you can use the USB port on this monitor to provide power to any USB-powered media device

we're not even using this monitor for CCTV

Audio: 1 in/1 out

Support 1-ch CVBS output

b) Eight (8) open collector inputs

16-Channel 4K NVR with 2 SATA HDD Bays (NVR30216S2P16) used you can use the USBGreat Condition, Slightly Used, Has Accessories. Support Ultra265 H. 265 H. 264 video formats 8 16 channel input Plug & Play with 8 16 independent PoE network interfaces Third party IP cameras supported with ONVIF conformance: Profile S, Profile G, Profile T Support HDMI and VGA simultaneous output Up to 8 Megapixels resolution recording 2 SATA HDDs, up to 10TB for each HDD ANR technology to enhance the storage reliability when the network is