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

bandwidth management feature allows network administrators to reserve bandwidth for a variety of applications requiring high throughput or maximize a priority

The switch supports a cable diagnostic feature and Loopback Detection

EXTEND(Surveillance mode): Transmission distance up to 250 meters

battery (up to 9 h) Dimensions (W) 222 mm

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.