I need replacement parts for the windows and directions for the system. There is what I think is a survellance eye that I don't know how it works either.
http://consumer.schlage.com/customerservice/default.asp
Make sure to compare the cost with that of an entirely new system. The components are not very costly and all function basically the same. The real cost is labor and markup. For an idea of the cost of high quality systems made by Ademco--the manufacturer of many of the components that most of the alarm companies utilize, check out:
http://search.homesecuritystore.com/search.aspx?sKeyword=ademco