WOLFBOX E-RB01 is an electric retractable running board system designed specifically for Supercrew Cab 2015-2020 F150 | 2017-2019 F250/F350/F450/F550. This system features a door-linked mechanism that automatically deploys the retractable side steps in 1.5 seconds when a door opens and retracts them flush to the chassis when doors close, preserving the vehicle's original ground clearance. Built for durability in extreme environments, this power side step is crafted from aluminum, supporting up to 660 lbs. Besides, electric side steps with a non-slip textured surface ensure safe use even in rainy, snowy, or muddy conditions. Integrated LED atmosphere lights automatically illuminate the running board area for safer entry and exit at night. The package includes a vehicle-specific wiring harness and mounting hardware for a no-drill installation process. | Wolfbox | | Retractable Running Boards for Supercrew Cab 2015-2020 F150 | 2017-2019 F250/F350/F450/F550, Electric Side Steps | Black | Best Buy