维基百科所有的内容都应该可供查证。请协助补充可靠来源以改善这篇条目。无法查证的内容可能会因为异议提出而被移除。 The NVR has HDMI and VGA output ports. You'll be able to hook up with both of those these concurrently and run online video to 2 display screens. On the other hand, the Show will duplicate; you could’t Manage them independently. All of our DVRs and NVRs have ONVIF https://alarmotion.com/services/