Rampage Black Universal 49-inch, 5-Function LED Tailgate Light Bars features side to side 3rd brake light, turn signal lights and running lights as well as white reverse lights. The LED bar not only looks cool, it adds a certain safety factor with it's ultra high intensity Super Bright LEDS. When off, the black bar is hidden under the tailgate. Turn on your parking/driving lights, the entire length of the bar lights up with LEDs. Step on the brakes . the intensity of the Red LEDs increase dramatically. Hit the turn signals . and the appropriate half of the bar flashes accordingly. And of course, turn on the hazards and it all blinks. Then when you put in it reverse, a bright white back-up light illuminates across the rear of the vehicle. The Installation is a breeze. As for the electrical connection, that is as easy as plugging it into the factory 4-prong trailer wiring connection on the back of your vehicle and then bringing the reverse wire into your taillight to be spliced in. Don't have a trailer plug? You can add one easily to most vehicles or you can wire it directly into your vehicles taillights. Beware of the imitators or low quality LED bars on the market today, these are the only waterproof design under NORMAL conditions. The unique material and manufacturing process keeps moisture out because there is no cavity for moisture to collect in. The Rampage LED Tailgate Light Bar uses circuit board mounted, ultra high intensity LEDs in a sealed waterproof enclosure. This enclosure is attached on the bottom of the flat back mounting system . no oversize lip at the top to interfere with tailgate/hatch operation. The electrical connection wire is a flat bonded 4 wire system that uses a molded and sealed plug for hookup to the vehicle. All items are of high quality for long term hassle free operation. All Rampage LED Tailgate Light Bars are shipped in thick polymer shipping tubes to ensure protection in route. Live Tech help is available over the phone at no charge if you need installation assistance. Fits most full size Pick Up Trucks.