Dahua NVR4108-8P-4KS2, 8 channel IP NVR with 8xPoE ports, 4K resolution, 1xHDD wireless networks you can have clear VoIP

you can have clear VoIP calls even in noisy places

Alternatively

The camera detects and tracks targets by using advanced image processing technology and a deep learning algorithm

ensuring interoperability between network video products regardless of manufacturer

Dahua NVR4108-8P-4KS2, 8 channel IP NVR with 8xPoE ports, 4K resolution, 1xHDD wireless networks you can have clear VoIPDahua NVR4108 8P 4KS2 is a PoE Network Video Recorder (NVR) for connecting up to 8 IP cameras and up to 4K resolution recording Dahua's DHI NVR4108 8P 4KS2 is the first Lite series NVRs which can support 4K and H. 265. And, it has the most reasonable price and best quality. This Lite NVR provides up to 8MP resolution. For applications where details are critical for identification, it provides a powerful image performance with up to 4K resolution.