Even though they make several types of motion detectors, some animals will make any system go off. Especially large dogs, jumping animals or cats will trigger a motion detector. But, a type of security system device that is currently being used in homes is helping in many circumstances. It is the glass break detector. This type of device senses the high frequency sound of glass breaking and then sends a signal to the control panel and an alarm is triggered. People, animals and normal sounds will not make it go off. Also, it can be mounted in such a way to monitor more than just one window in a room. It does not have to touch a window, but, just has to be within sight and sound distance to pick up the breaking noise of the glass. It some cases it may not be necessary to have window contacts because the glass break detector can a room. Unlike a motion detector, it can be left on 24 hours day because nothing but the high frequency sound of breaking glass will cause it to go off. For details, go to: http://www.gesecurity.com/portal/site/GESecurity/menuitem.f76d98ccce4cabed5efa421766030730?selectedID=1336&seriesyn=true&seriesID=

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