This document provides specifications for a premium quality color video door phone system. The system includes a 7-inch indoor monitor with high resolution color display and an outdoor camera with 1/3" CMOS sensor, 4 white LED lights, and 90 degree lens. The system allows for hands-free calling and monitoring at the indoor unit and remote unlocking of doors. It supports up to 4 indoor monitors and 4 outdoor cameras connected via a simple 4-wire installation.