A security system should be designed to give you a combination of outside and inside protection. It can include door sensors, window sensors, motion detectors, glass-break coverage, and fire protection. The size and layout of your home must be taken into consideration when designing a security-system application. It is recommended that all systems contain door sensors and at least one motion detector. Additional protection should be added to meet the individual needs of the property being protected. Combatting today's criminals requires sophisticated security systems that are custom-tailored for each application. When choosing a security system, it helps to have a professional look over your home and explain the options and the costs. You can then decide whether you want an alarm to scare off burglars and alert neighbors, or a system that sends signals to a twenty-four hour monitoring center or to the local police. For additional information on the amount of security you need, please consult a security expert.