The Optronics 4" Round Red LED 10 Diode STT Lite Plug Connection With Flange 9890040 is a high-quality tail light designed for RVs, trailers, and campers. With a lifetime warranty and a durable construction, this LED light will provide reliable lighting for your vehicle. Made in Taiwan, this part is a perfect exterior lighting solution that meets the standards set by California Proposition 65 for safety and visibility.