The product is a license number plate light bulb holder for the AUDI A4 B8 model. The holder includes both the NSR (Nearside Rear) and OSR (Offside Rear) bulbs, with the manufacturer part number 8T0943021. It is designed specifically for AUDI vehicles to ensure proper fitment and functionality of the license plate lights. This genuine AUDI part is essential for maintaining the safety and visibility of the vehicle while driving.