NIGHT OWL B-PE161-47-4DM7 is a powerful security solution for your home or business. With its 16-channel DVR and 4 weatherproof cameras, you can monitor your property 24/7, indoors and outdoors. The DVR supports up to 16 cameras, so you can easily expand your system as needed. The cameras are equipped with night vision, so you can see clearly even in low-light conditions. The DVR also has a built-in motion detector, which can trigger alerts when motion is detected.