Whelen ion with FoMoCo plug

Used condition. Tested and fully working. Whelen manufactured but used by Ford on their factory equipped police vehicles. Has a 4 pin Ford plug. 
Whelen part #01-066D382-50(20 for blue)
Ford #MCDG13-15442-DA(EA for blue)
Mfg in 2012
Clear lenses with very minimum cosmetic imperfections like scratches scuffs etc. Has two mounting screws with each unit but NO BRACKET.