根据短文内容，从下框的A-F选项中选出能概括每一段主题的最佳选项。选项中有一项为多余项。

A. Function B. Types C. Advantages D. Considerations E. Importance F. Shortcomings

Home security products give a homeowner peace of mind as well as the ability to protect loved ones and physical possessions around-the-clock.
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Having the right security products equipped in a home can get rid of home invasion, theft and injury. Home security products should be hidden somewhat and not out in the open for invaders to see. Products that protect one's home should also be linked to the local police department so that they can be notified in the event of an emergency or break-in.
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Security products are used for monitoring the home and the properties surrounding the home. Products are designed to warn the homeowner when invasion is taking place or someone is hidden around the property. Most systems are electronic or battery powered and some are linked with cables and satellites to keep a close watch on property.
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There are four main kinds of home security products. The first kind is home entry and invasion protection--used for setting up a high tech alarm system. The second is window and door alarms, helpful in warning the homeowner as to who is coming in and out of the house and certain rooms in the home. The third is to keep the outside of the home protected by signaling. The fourth is a combination of security gates, cameras connected to a DVR, bars for windows and doors as well as sliding door lock.
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One should consider the expense of equipping a complete security system. For most complete systems which include driveway alarms, cameras, and electronic keypads, many can cost from $100 to $10,000. The homeowner can equip individual security products based on the needs of the home and family to save money.
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Preventing invasion, theft and injury can save thousands of dollars if the home was broken into and items were stolen. Having home security products equipped can also reduce car and auto insurance moneys.