BRIGHT & ENERGY-EFFICIENT LED CONFIGURATION: These LED Trailer Light Kit adopts White 21 LED on the upside Works as Reverse Light; One side: Red 12 LED works with low brightness as Tail Light and bottom white 6 LED works as License Plate Light. The other side: Red 12 LED works with high brightness as Brake/Turn Light. Functions as running light, tail light, stop light, brake light, turn signal light, license plate illuminator MULTI-FUNCTIONAL RV TAIL LIGHTS: The RV Tail Lights can work as running light, stop light, brake light. Ultra bright but energy-efficient, provides reliable visibility and safety even in inclement weather. Compatible with most 12V vehicles including Truck, Trailer, Boat, bus, Lorry, Van, and also compatible with Ford, Jeep CJ YJ JK Wrangler, can improve safety and give your car a new look WATERPROOF & DURABLE CONSTRUCTION: Waterproof rate IP65, effectively protects the tail light from dust, sand, moisture, rain and other impact of inclement weather. Each lens is sonically welded to the housing and built to ensure maximum durability in working conditions for your vehicles INSTALLATION MANUAL & WIRING GUIDE: White Wire: Ground (Negative), White + Red Wire: High Brightness, used as Stop Light/Turn Light/Brake Light. White + Black Wire: Low Brightness, used as Running Light/Tail Light. Blue Wire: License Plate Light PACKAGE CONTENTS & SPECIFICATIONS: 2 X Red/White 39 LED Trailer Light Kit. Adopts with Super bright LED provide maximum visibility & safety. The light Lens Adopted reflecting mirror principle making, which can make better lighting, and more durable. Notice: NOT plug and play, there comes no plug, just comes with the wires SUPERIOR LED TECHNOLOGY: These LEDs draw less current, generate less heat and are brighter and light faster than incandescent bulbs, ensuring long-lasting performance and reduced power consumption for your vehicle COMPACT DIMENSIONS FOR EASY INSTALLATION: Measures 6.7 inches x 5.8 inches x 2.5 inches with 6 inch wire pigtail length, designed for easy installation on different types of 12V vehicles with non-corrosive, dustproof, and shockproof housing