built-in PoC,Support TVI Two-way Audio,4-ch facial recognition or 8-ch advanced model false alarm filter, 8 Turbo HD/CVI / AHD / CVBS self-adaptive interfaces input, 8-ch video&1-ch audio input, 2 SATA interfaces, H.265/H.265+ compression, Live view: 3K @20fps/ch,up to 8MP@8fps,3K @12fps/ch encoding capability, 4K UHD output, support CVBS output, 380 1U case 8 channels and 2 HDD 1U AcuSense PoC DVR Support 4-ch Facial Recognition or 8-ch advanced model Perimeter Protection based on Deep Learning algorithm Support 8-ch AcuSearch 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 HDTVI Two-Way Audio technology