H.265/H.265+ compression,4 Turbo HD/AHD/Analog interface input, 4-ch video&1-ch audio input, 1 SATA interface,1920×1080P: 12 fps/ch, 1280×720P: 25(P)/30(N) fps/ch, mini 1U case Dimensions (L*B*H) : 44.45cm*39.11cm*7.12cm Weight : 5 kg td {border: 1.0px solid #cccccc;} br {mso-data-placement: same-cell;} Stands for "Digital Video Recorder." A DVR is basically a VCR that uses ahard driveinstead of video tapes. It can be used to record, save, and play back television programs. Unlike a VCR, however, a DVR can also pause live TV by recording the current show in real time. The user can choose to fast forward (often during commercials) to return to live television. Brand HIKVISION SKU 100230049_NP-1020487047 Model DS-7104HQHI-K1