The Philips VS8394/14T Color Multiplexer Monitor with 4 Cameras provides convenience, versatility, and quality in a robust and complete system. This system allows you to view up to eight camera locations in real-time in various display modes, such as full-screen, four simultaneously in quad or up to eight-at-once in a three-by-three matrix. The included four cameras have automatic picture adjustments, and built-in motion-sensing functions so you won't miss any action. Rich with features such as the ability to record all eight cameras in full-screen while viewing up to eight cameras simultaneously, the Philips VS8394/14T is a complete, self-contained observation solution perfect for everything from home or business security applications, to small- to medium-sized commercial enterprises. offer less image quality, but are usually more cost-effective and energy efficient.