COMPATIBILITY: 3rd Brake Light Compatible with 2014-2020 Chevy Silverado 1500/ Fit 15-20 Chevy Silverado 2500HD 3500HD/Fit 14-20 GMC Sierra 1500/Fit 2015-2020 GMC Sierra 2500HD 3500HD(Fit Model with Cargo Light). Reference part number:23509162, 20979071 WATERPROOF DESIGN: 3rd Brake Light cover is padded with high-density foam back and is perfectly sealed around, preventing water, mud and snow leaking in. HIGH QUALITY PRODUCTS: High Quality 3rd Brake light made by OEM approved manufacturers with materials that meet strict OEM requirements. EASY TO INSTALL: The 3rd brake light cargo lamp is no more drilling needed. Hand screw tool is better for the installation. The factory screws could be used on this brake lamp. BULB SPECIFICATIONS: Our brake lights employ LED illumination with a power rating of 12V 1.2/0.8W, delivering robust lighting performance to ensure safe following distances. LED 3rd Brake Light Compatible with 2014-2020 Chevy Silverado 1500/15-20 Chevy Silverado 2500HD 3500HD/14-20 GMC Sierra 1500/2015-2020 GMC Sierra 2500HD 3500HD(Fit Model with Cargo Light)