Turbo HD DVRs  4 Channel DVR 1 DS-7104HGHI-F1 720P 1MP 4 Turbo HD/AHD/Analog interface input, 4-ch video&1-ch audio input, 1 SATA interface, 1280×720P: 25(P)/30(N) fps/ch, mini 1U case                                           PKR  RS: 3500 2 DS-7104HQHI-F1/N (Turbo HD 3.0) 720P/1080P…