The M42701YCL-A is a multi-function 4″ round amber clear lens flashing warning light and park/turn. As a warning (or strobe) light, it complies with SAE J595 Class 1 and contains 28 programmable flash patterns. As an amber park/front turn/rear turn light, it complies with DOT FMVSS108, SAE J222, and SAE J2261. It fits a standard 4″ grommet (M50400-B sold separately) and features an integrated, industry standard, PL-3 plug and 2 additional wires allowing dedicated wires for the warning function as well as the amber turn function. This light features a polycarbonate lens & housing, and is backed by a 5-year warranty.