Self-Contained Day/ Night IP Camera analyzes the captured video signal to send alarms and notify of people, vehicles and objects that cross a perimeter, enter a pre-defined region, are left behind, or are removed from a scene. The Day/ Night IP Camera allows the users to set customizable rules and criteria to define the region and what to detect. The Day/ Night IP Camera is a compact and self-contained device that does not rely on additional components for video analysis. Self-Contained Day/ Night IP Camera features IR cut filter removal and low noise levels, which achieve maximum detection capabilities by optimizing the captured video signal and maintaining an extremely low false alarm rate.