The M85427R-YCL is a 5.5" Round, Flange Mount, Combination Stop/Turn/Tail (STT), Back-up (BU) Light, and Amber Flashing Warning Light. Maxxima's patented LED Flange contains 9 White LED's and 9 Amber LEDs. In addition, our patented Lightning Optics provide superior off-axis visibility for improved driver safety. 7 discrete wires allow dedicated Flashing Warning light capable of single-color patterns or dual-color flash patterns, as well as on optional dedicated Amber Turn Signal for use on vehicles equipped with a dedicated turn signal wire. M85427R-YCL is thin-profile at 0.5" depth and is backed by a 5-year warranty.