DO STOP / TURN / TAIL BACK-UP IN ONE FLANGE MOUNT LIGHT!!! SEE VIDEOS BELOW 2 Flange mount red stop/turn/tail light with BACK-UP and clear lens. Accepts industry standard 3-prong plug for easy retrofit of incandescent lights. An extra male bullet plug is provided for the back feature. Meets DOT FMVSS 108 requirements in any 360 degree position. 19 diodes for bright, dependable performance. Features sonically sealed, waterproof lens and housing in a single unit. All-weather molded plastic housing and durable lens protect against corrosion. Three year warranty. Trux will replace any light that has one or more burned out diodes during the three year warranty period. Does not apply to incorrectly install lights. Comes with stainless steel mounting flange and plug for complete installation. Kit includes 2 of a A45SB flange and 2 of a A47PB plug and 2 of a TLED-4X40. See pictures for dimensions on flange. See our other listings for kits including NON BACK-UP version of this lamp to use in application where retaining the stop and/or turn function while backing-up is desired. (4) 19 LED Trux Dual Revolution 4" Round Clear Lens Stop Tail Turn Back-Up Kit (6) 19 LED Trux Dual Revolution 4" Round Clear Lens Stop Tail Turn Back-Up Kit (4) 19 LED Trux Dual Revolution (2) Standard 4" Round Clear Lens S/T/T B/U Kit OR FOR 4" NON-DUAL REVOLUTION LIGHT KITS THAT MATCH THE DUAL REVOLUTION LIGHTS (2) 19 LED Trux 4" Round Clear Lens Chrome/Mirror Back Finish Stop Tail Turn Kit OR FOR 6" OVAL DUAL REVOLUTION LIGHT KITS (2) 12 LED Trux Dual Revolution 6" Oval Clear Lens Stop Tail Turn Back-Up Kit (4) 12 LED Trux Dual Revolution 6" Oval Clear Lens Stop Tail Turn Back-Up Kit (6) 12 LED Trux Dual Revolution 6" Oval Clear Lens Stop Tail Turn Back-Up Kit (4) 12 LED Trux Dual Revolution (2) Standard 6" Oval Clear Lens S/T/T B/U Kit (2) 12 LED AMBER Trux Dual Revolution 6" Oval Clear Lens Tail Turn Back-Up Kit OR FOR 6" OVAL NON-DUAL REVOLUTION LIGHT KITS THAT MATCH THE DUAL REVOLUTION LIGHTS (2) 12 LED 6" Oval Clear Lens Chrome/Mirror Back Finish Stop Tail Turn Kit If you have any questions you can contact us at 1 844 628 9059 between 8am and 5pm Mountain time or come by at 1030 East Commerce Drive, Suite 200, St. George, Utah 84790.