1-ch face detection or 4-ch false alarm filter, 4 Turbo HD/CVI / AHD / CVBS self-adaptive interfaces input, 4-ch video&1-ch audio input, 1 SATA interface, H.265/H.265+ compression, 5MP: 12fps, 4MP: 15fps, 3MP: 18fps, 1920×1080P: 25(P)/30(N) fps/ch, support CVBS output, standalone 1U case