The Encore Firefighter EC-FF345 Audio Detector Smoke Detector is a white wireless unit designed for outdoor and indoor use. It features a bracket, battery, and adjustable magnet for easy installation. The audio detector is compatible with 345MHz receivers and has a maximum resolution of 640x480. With a 120 dB operating sound rating and powered at 30W, this smoke detector from Encore is a reliable option for home surveillance and smart home integration. Made in the United States, this analog surveillance technology device provides added safety and security for any home or property.