The 2 - Pack 12V 10 - LED Oval Red Stop/Turn/Tail Lights are a reliable, all - in - one lighting solution for 12V vehicles. Built with 10 super - bright red LEDs, they ensure clear visibility for stop, turn, tail, and brake functions, enhancing road safety. Compatible with a wide range of vehicles—from trucks and trailers to boats—they’re especially ideal for heavy - duty models like Peterbilt and Freightliner. The waterproof design (welded PC lens/housing, conformal - coated circuit board) and PVC grommet mounting ensure durability in tough environments. Easy to install with a 3 - pin water - tight plug (white/ground, red/brake, black/tail) and standard oval hole fit, they simplify lighting upgrades. Whether for daily use or heavy - duty applications, these lights combine functionality, durability, and versatility to keep your vehicle visible and safe on the road.