Whelen SSFPOSC6 solid State Headlight Flasher 05-11 Ford Crown Victoria.

These are designed to plug into a 2005 to 2011 Ford crown victoria Headlight assembly and hardwire power and trigger to your emergency controller. The crown vic Headlight plug can be cut off and hardwired into various other vehicles.  Multiple available and most were manufactured around 2009.

Model #SSFPOSC6