Gmax is a video surveillance application designed to use USB WEB cam's. It implements an advanced algorithm for motion detection with anti-terror capabilities. The video and audio codec’s are settings automatically. Gmax is able to notify users by e-mail sending JPEG pictures with time stamp or by phone call using a modem. It record movies continuously or only when a movement in front of the camera occurs. The length of the movies is between 1 and 60 minutes.