2 Federal Signal Deck Strobe Model D52 Red /Blue

2 Federal Signal  Deck Strobe Model D52  Red /Blue - USED  worked when removed from vehicle.  NOTE: these are strobe units which need a separate strobe power supply to work them. 

NOTE:  To be used for lawful purposes only!  The mounting and display of Blue or Red lights on vehicles is regulated by law in in Massachusetts and a registry permit is required-  If outside MASS, check laws in your state for other requirements.