Hikvision DS-96128NI-M16 128CH Network Video Recorder for Security Camera System

Advanced streaming technology enables smooth live view in poor network conditions. Video And Audio. Two-Way Audio 1-ch, RCA (2.0 Vp-p, 1 KΩ, using the audio input). Audio Input 1-ch, RCA (2.0 Vp-p, 1 KΩ).

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