Patent 10184760 was granted and assigned to Durendal on January, 2019 by the United States Patent and Trademark Office.
An apparatus has a lens. A frame has a gasket for receiving the lens and a shock-resistant housing is secured about the frame. A visual output element is disposed proximate the lens and an audio output element is disposed within the housing. A control component with a power source is provided for controlling at least one of the visual output element and the audio output element.