Vehicle Compatibility - Legal on road, DOT/SAE approved. Silverado & Sierra 3rd brake light assembly compatible with 2014-2018 Silverado/Sierra 1500, 2015-2019 Silverado/Sierra 2500HD 3500HD, 2019 Silverado 1500 LD/Sierra 1500 Limited. Upgraded Appearance - The latest design to enhance the style of your vehicle and give your car a completely different look. Built-in full laser high power SMD LED chips, ultra-bright, provide both a dazzling look and outstanding illumination to the back of your car at night. IP67 Waterproof - 3rd brake light fully sealed designed, using high-density thicker foam and ventilation hole on the back, you can also put a little silicone all across the top to help seal it for double protection. Easy to Install - Plug & play, direct replace. Easy completed the installation in 10 minutes. Please use the factory screws to install the third brake light. Package & After Sales - 1pcs 3rd brake lights. 1 year warranty. For any problems, pls contact us via email. LED Third 3rd Brake Light for Silverado Sierra 1500 2500HD 3500HD 2014 2015 2016 2017 2018 2019 Silverado Sierra Smoked High Mount Stop 3rd Brake Light F1 Style Strobe Light