5.3K views · 125 reactions |  Never before seen  Watch as Whelen's engineers use their creativity to design the next generation of lighting solutions for first responders! From start to finish and every step along the way, Whelen uses state-of-the-art technology and expertise to create the very best products. Curious about how something is made? Ask in the comments below for future behind the scenes videos. | Whelen Engineering Company, Inc. | Facebook