The Inovonics high power repeater with transformer intelligently amplifies transmission from any EchoStream series transmitter in an Optex iSeries detector while ignoring background noise. The repeater is perfect for large facilities such as multi-floor buildings, multi-building sites, shopping malls, campuses and other open-air installations. Virtually any number of repeaters can be added to a system, scaling the system size as needed.Applications Buildings Perimeter Approach Roof / Ceiling House Garden Garage Driveway Key Features Includes 120 VAC power transforme Includes backup battery Self configuring No wires or programming needed