Compatibility: for BMW X5/M E70,F15,F85,G05 20072023 What it is: A door welcome light that projects a bright onto the ground when you open the door; the projection turns off automatically when you close the door. Why you need it: Enhances the car's interior and exterior ambiance, adds a look, and provides ground illumination to improve safety when exiting in low light. Key benefits: Bright projection with lowpower LEDs for energy efficiency Improves visibility of the door area to help avoid missteps Durable shell construction designed for automotive use Direct replacement for the original door lights with no modifications Features: quality, energysaving lamp beads Sturdy, durable shell materials Clear, vivid projection that enhances appearance and presence Installation: No drilling, no wiring, and no damage to the vehicle Easy replacement of the original door lights Use scenarios: Nighttime entry in dim parking lots or driveways: open the door to illuminate the ground with the projection for safer exit Parking in garages or dark streets: adds ambient lighting and a feel when doors are opened Showroom or valet situations: enhances branding and visual appeal when the car doors are opened