Hikvision 4CH NVR DS-7604NI-Q1/4P System G3 ColorVu3.0 Speaker 8MP IP Camera Lot
More Accurate: AcuSense technology distinguishes people and vehicles from other moving objects, allowing security teams to focus on real threats. 4-ch 1U 4 PoE 4K NVR DS-7604NI-Q1/4P. ✅AcuSense:✅2-WAY Audio(MIC&Speaker).