Abus fu9020 privest pet immune wireless motion detector abus fu9020 p the abus fu9020 privest pet immune wireless motion detector is an extension module of the privest wireless alarm panel it is a passive infrared pir motion detector which detects moving body heat and reports it to the alarm control panel p p the ideal place for installation of the privest pet immune wireless motion detector is directly at the wall up to 3m above the floor in one of the room s corners any place tha