4-ch AcuSearch and AcuSeek Function and Motion Detection 2.0; 2-ch Facial Recognition for Video Stream or 4-ch Facial Recognition for Face Picture; 8-ch Face Picture Comparison; up to 16 Face Picture Libraries, with up to 50,000 Face Pictures in total, up to 2-ch Perimeter Protection (4 MP) or 1-ch (5-8 MP); 40 Mbps incoming Bandwidth, 80 Mbps outgoing Bandwidth, up to 12 MP Recording Resolution, 4-ch IP Video, H.265+/H.265/H.264+/H.264, 1 SATA Interface, 1× 4K HDMI, 1× 1080P VGA, 2× USB 2.0, 4/1 Alarm IO, 1/1 Audio IO, 1× RJ-45 10/100/1000 Mbps Ethernet Interface, 12 VDC / 1.5 A Power Supply, 1U 319 mm Chassis