SAE Class 1 Certified (warning)• Available in single or split colors• Lens is CLEAR when off • Multiple Scan-Lock™ flash patterns, many being California Title XIII compliant. Meets KKK-1822F, NFPA 1901, NFPA 1917, SAE, and EC65 specifications• Choose flash patterns from solid, left/right, top/bottom, in/out, or diagonal sequencing• Available in steady-burn or with an internal flasher• Warning lights with internal flasher have sync and low power functions• Hard-coated lenses minimize environmental damage from sand, sun, salt, and road chemicals• Surface mounts via two screws for easy installation• A variety of mounting brackets and optional Chrome or Black flanges are available• Five year warranty• Solid color models have 125 Scan-Lock flash patterns• Split color models have 64 Scan-Lock flash patterns• Housing allows easy mounting of M4 lightheads in the factory fog light openings of the 2015-2017 Chevy Tahoe and 2015-2017 Ford F-150• Size with flange: 3-3/8" (89mm) H x 1-3/8" (36mm) D x 5-1/2" (139mm) L