Hillary Johnston Apr 8, 2015 Motion sensors are one of the best ways to help protect your home from an invasion, but it’s not enough to place them willy-nilly around your home. To effectively utilizesensors, you’ve got to get into the mind of a potential thief. Where would they expect a motion sensor to be or not be? Motion sensors work best when they can cover the widest possible area. Some detectors can cover between 50 and 80 feet, so it’s best to place them where they have an unobstructed view of the room. However, there are some places a motion sensor just shouldn’t go. Directly Across a Window This placement is bad for two reasons. One, heat-activated motion sensors can be confused when placed directly across from sunlight, particularly on a hot day or when a cloud passes by blocking the light. Two, sensors work best when a burglar is walking parallel to them rather than straight toward them. Near a Heat Source Much like placing it across from a sun-lit window, y...
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