Know that your property is protected while you're there and while you're away thanks to this Nocturnal security camera system from Lorex. This system includes Nocturnal 3 IP security cameras and a powerful 16-channel Network Video Recorder (NVR). Along with 4K recording resolution, Color Night Vision, listen-in audio and Smart Motion Detection, these dome security cameras include motorized zoom lenses that allows you to adjust the camera's field of view to suit your monitoring needs. These features make this system an incredibly versatile security solution perfect for a large home, small business, office, or commercial facility.