8 channels and 1 HDD 1U Direct Search DVR Support 4-ch Facial Recognition or 8-ch advanced model Perimeter Protection based on Deep Learning algorithm Support 8-ch Direct Search Technology Encoding ability up to 4K/8MP @ 8fps; 3K/5MP @12fps Up to 16 channels IP camera inputs, each channel up to 8MP Up to 24*1080P@30fps decoding ability 5 signals input adaptively (HDTVI/AHD/CVI/CVBS/IP) Support All channels Motion Detection Technology Support All channels HDTVI Two-Way Audio Technology Smart Function