There are a comprehensive range of wireless intrusion detectors that can be incorporated into any system dependent on the security vulnerabilities of the particular building or user requirements, over time we will add some of these to the site to give an idea of the types of detector available.
In general, there are different types of passive infra red detector (PIR) which detect a combination of body heat and movement, however they are configured to enable them to be used in specific locations and for very specific purposes including outdoors.
There are pet friendly detectors too to prevent your pets from causing false alarms.
There are vibration type detectors, and magnetic detectors that activate when a magnet is moved away from a sensor. There are also glass break detectors progammed to "listen" for the unique sound spectrum of diffent types of glass being broken.