Sign Alert LED Enhancement System

Traffic Control professionals have long recognized that certain sign
situations are more critically important than others. Some signs simply
cannot be ignored. There has been a growing need in the industry for a
simple and affordable way to retrofit existing signs with additional levels
of warning for those situations that demand them — and to do this in such
a way that the additional alert system can be motion activated to conserve
power and extend the life of the LEDs.


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