The Swann Wi-Fi HD Security Camera from the Wi-Fi Series is an extra camera for the Swann NVW-490 Wi-Fi 1080p HD Security System. It features 1080p HD resolution, providing clear video surveillance both day and night. The camera includes True Detect technology for heat-triggered motion detection and 2-way audio, allowing you to hear and speak back through the camera. Its weatherproof, designed for outdoor use, and connects via Wi-Fi, making installation easy. This camera ensures reliable security with minimal setup.