My wife thinks the old carbon monoxide detector had a light that flashed periodically, too.
At first I thought there was a lightning bug in the trailer.
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2013 Classic 30 Limited
2007 Silver Toyota Tundra Crew Max Limited 5.7 iForce
2006 Vivid Black Harley-Davidson Road King Classic
1999 Black Nissan Pathfinder LE
WBCCI #1811, Region 6, Unit 56