These are single side (passenger) units of the very popular XLP visor light from Whelen. XLP stands for extra-low profile and allows for minimal vision obstruction when mounted.
 
Measure carefully to see if these will fit your vehicle! Bracket modification/separate purchase may be required depending on your needs. These are possible for circa 2015 F-150, but cannot guarantee.
 
Wiring: 12V DC power/ground/pattern change/etc.
Mounting: Includes visor bracket, unknown vehicle fitment
Dimensions: (Curved lengthwise for windshield): 13.5" L x 4.5" D x 2" H (excluding bracket)