Add this camera to your Swann Professional NVR-8580 Series 4K wired security systems with the ability to see more detail than before, in amazing Ultra HD. With 4K Ultra HD video you will be able to see facial detail, license plates, clothing colours, while the built-in microphone captures audio to add an extra layer of evidence. Know whats happening at any hour with powerful infrared night vision up to 130ft / 40m in total darkness & the ability to see colour video at night up to 115ft / 35m with the super-bright sensor spotlights on. Swanns True Detect heat & motion-based PIR detection reliably captures & records activity, with fewer false triggers & reliable push notifications. The camera turns the lights on & triggers recording when it detects heat. The 2-way audio & siren let you talk back & scare off intruders. Its high tech security working for you! Know the people you care about are safe with free facial recognition to generate personalized alerts & trigger recording.