16 Channel network video recorder, 16 port PoE, IEEE 802.3af (PoE), IEEE 802.3at (PoE+), records up to 8MP resolution, H.265/H.265+/H.264+/H.264/MPEG4, HDMI and VGA output, HDMI output up to 4K), 2 SATA hard drive connection for hard drives up to 6TB each (hard drives sold separately, 1 channel RCA audio in, two way audio.