Add this 5.6 inch monitor to your Comelit MAESTRO system for added security and convenience. The ultra-thin monitor allows you to identify visitors as they approach your door. Once the doorbell is rung, the MAESTRO system automatically transmits live audio and video to the monitor. By adding this additional monitor, you'll be able to view your doorstep from multiple locations on your property. The monitor features hands-free functionalities with multiple push buttons for a variety of uses.