subject: Entrance Alarm Facts and Myths [print this page] Many homes these days have a security system in place because protecting loved ones and property is an important aspect of life. Of the various types of security available on the market the entrance alarm is one of the most widely used. It is a good choice for most because it is simple to use and easy to install. However, there is a lot of misinformation circulating that has made them appear more secure than any system can ever actually be.
If you have seen the commercials for home security systems than you have probably seen the scrolling numbers that completely encapsulate the house, inside and out. This myth has increased the sales of these systems dramatically and lulled many a consumer into a false sense of security. The truth is these devices are not able to create a blanket over your property, because they would be set off constantly by passing animals. Instead, they are designed to target specific areas, such as doors and windows.
Most models use an infrared beam to monitor motion. When a person steps through the beam, whether it be in front of your garage or your door, it sends a signal to a monitoring system within the house and sets of a small alert chime. The entrance alarm will let you know that someone is on your property before they are at your door, which can be quite useful if you are in the middle of something because it will give you time to stop without being startled. For most systems it does not matter what size the object that breaks the beam is, which can make it very difficult to find the right angle to place it.
If this seems like a hassle there are also several models that use lasers to achieve the same affects. These often measure the distance in the beam, and the change over time, to see if something has moved in front of it and are used in conjunction with doors to alert someone when they are opened. There is a myth about these that they will stop any intruder from entering the house without you knowing about it, because they are focused on a single position, but the fact is that they are not fool proof. They can be tricked by someone moving very slowly and by environmental conditions that may disrupt the readings.
For many people a wired doorbell button and a series of deadbolts may be enough to make them feel safe, while others may want to protect every entrance with infrared motion sensors to make sure nobody can break in. To minimize your chances of falling into believing these myths you should do thorough research before choosing how to secure your home. Internet research is one of the best tools you have at your disposal, and you should use it to its fullest. No matter what you are looking for, keeping the above facts in mind while you do your research will help you find the right system to protect your home and family.
