Audio visual alarm housing

摘要

An audio visual alarm device that can adapt to a familial look is provided. The audio visual alarm device can include an alarm housing having a footprint of a first shape, and a cover housing having a footprint of a second shape. The alarm housing can include circuitry for operating the audio visual alarm device, and the second shape can be different from the first shape. The cover housing can be configured to accommodate the alarm housing and affix to the alarm housing to give the alarm housing an appearance corresponding to the second shape. At least one portion of the alarm housing can protrude through the cover housing.