I will have full resources here in the coming weeks. Please be patient, this page will give you every detail you need for a wireless home security alarm system.
Although this video is from a home security alarm company, it will give you an overview of wireless technology and some of the benefits of using it. This is the first of many many alarm system videos that I will be adding in the coming weeks.
Such home security sensors don't have to be an external accessory, either. Some windows are built with thin strips of metal in them that, when broken, can also trigger a home security alarm.