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These dark and light areas then form the video images that we see. Motion detection works by comparing successive video images. So if the pattern of light changes between frames a change in pixels the smart camera concludes that something has moved and starts to record. As it begins to record, it also sends you an alert. The camera determines when enough has changed based on the motion detection settings see below. There are different methods of motion detection, i. e. infrared heat vision and microwave. We won’t get too much into the deeper technical aspects in this piece. The basic principle is the same for most cameras. The first thing you need to do is position the camera where you intend to keep it.

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Another benefit, although this is also the source of many ethical challenges as will be discussed later, is a PMC's ability to operate more freely than a state's military. As an example, there are strict rules that the American military must operate within, while trying to achieve a mission's objectives. These rules stem from both national and international sources. The ever present media, as well as governing body watchdogs, mean that even one toe over the line is quickly fodder for an international scandal that can endanger the entire mission. This oftentimes restricts the military's ability to operate at maximum efficacy. However, by using a PMC, their personnel can…… And the applicant must successfully pass a pre employment drug screen Collins, icks and Van Meter, 2000. All private security officers must meet the applicable statutory requirements and any criteria that have been established by the employer. In looking at the requirements that have been set forth by the state of Louisiana, the following minimum requirements must be met in order for a person to become a private security officer:1. The applicant must be 18 years of age. 2. They must be a citizen of the United States or a resident alien holding a proper documentation to work in the United States.