Nowadays, it has become a necessity for every home to have at least a security system to alert the owners of any intrusion coming from the outside and be able to act accordingly while keeping their things and themselves safe from harm.
Technically, the basic private security companies usually consist of a main control box with a corresponding keypad, a sounder or a bell, and the alarm sensor either that is either wired or wireless. There are various alarm sensors that are available in the market today.

There are those that can be attached to a window or doors. These are usually magnetic based. Meaning, any interruption of magnetic connection triggers the alarm itself. This type of alarm is also the basic type of sensor.
Another type is the motion sensors or the PIR which stand for Passive Infrared. This kind of system uses the infrared to detect any heat coming from a person and it would trigger the alarm when the infrared threshold has been reached and this occurs in just a fraction of a second.

The difference between the wired and the wireless is system is that with the wired, there is no room for expansion. For you to have an extra coverage it would require additional installation. On the other hand, wireless alarms do have the benefit of being expanded when needed but it runs on batteries and these should be checked constantly.
Home security burglar alarm sensors works by sending a signal to your local police department or the company provider that monitors it when activated. It is a good way in deterring intruders to invading your home.
When it comes to cost, though it is like having a subscription with a cable company, it should not be compromised. Security and protection should never ever be put out from the equation especially when it comes to your family.
You must choose carefully and plan ahead of time as to where to put these systems in your home. Place it strategically so that it covers a wide area of detection and hire a contractor if necessary though there are also alarm sensors that come as a do-it-yourself kit.
The need for an alarm system is not only for protection but also a requirement for some insurance and government agencies. They can send in an independent third party to inspect your property to see if any alarm system is installed or not. And these units must conform the standard regulations.
Overall, the efficacy of the alarm sensor systems can be determined by its ability to be triggered when certain conditions are met. This means also its ability to transmit the signals to your service provider or to your local police department for immediate response. You must remember that the only people who should know the location of your home security burglar alarm sensors is your immediate members of your family; otherwise, the purpose of protection and prevention is deferred once it is deactivated by an intruder from the outside.