A red fire alarm strobe on an Amtrak Superliner II sleeper car with "Notify crew member when flashing" lettering. This was adjacent to a similar strobe with "FIRE" lettering.
Ben Schumin is a professional photographer who captures the intricacies of daily life. This image may be used under Creative Commons Attribution-ShareAlike 2.0. Please provide artist attribution, as well as a link to the original photo and to the license terms.