Night Owl Optics CAM-4PK-DM724 is a 4-camera security system that allows you to watch and monitor your belongings in both light and darkness. Because this is a wired camera system, it has a long range and is not limited by WiFi strength. With the included 60 ft. BNC cables, you can place your cameras up to 60 ft. away from the DVR and still maintain a great signal. The splitter included in your packaging allows you to connect up to four cameras to a single DVR port, meaning that expanding your security system is as simple as purchasing more cameras.