DVR/NVR (AHD SUPPORTATO). Interface Video input 4ch BNC(1.0Vp-p, 75Ω). Audio input 4ch RCA (200-2800mV,30KΩ). (ONVIF 2.8) Analogue：4ch 720P. Local playback 1~4ch playback. CMS CMS Software for multiple DVR (up to 255 DVR simultaneously).
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