This Swann security camera is designed to be added on to your Swann SWNVK-490KH2 NVR. With 1080p full high definition resolution, you see important details in crystal clear clarity, such as faces, license plates, and clothing colours. The camera plugs into power while its video signal back to the NVR via Wi-Fi, making installation easy. With a built-in microphone and speaker, you can listen, talk back, and record audio to help you identify what's happening. Be protected day and night with the camera's powerful infrared night vision, up to 130 ft. (40m) and the ability to see colour video at night. Swann's True Detect(TM) heat and motion detection records and sends push notifications when it detects heat from warm objects, like people and cars. Cut the cost of crime and know what's happening by adding cameras to your NVR NVW-490 to cover any blind spots.