Our premier Night Owl WNVR20144P 4 Camera 4 Channel NVR Video Security System is sure to satisfy those customers craving fewer cables, easier setup and superior quality images. Don't feel like dealing with the hassle of multiple cable runs? This system is perfect for you! As these cameras wirelessly connect to your NVR, there is no need to deal with the inconvenience of cable installation. Additionally, the NVR has its own secure wireless network for uninterrupted video transmission. With 24/7 coverage and pre-recording, you can rest assured you will not miss any key events. Equipped with our Dual Sensor Technology and two-way audio, we have truly taken our customers security experience to the next level.