2pcs Car Bumper PDC Reverse Parking Assist Sensor for Lexus ISF IS250 IS350 GS350 89341-30010-C0 75mm ID to 54.1mm OD Humps at both ends to

Humps at both ends to enhance stability

Fit for most cars

heat insulation mat

for Audi A3 Sportback (8PA) 09

2pcs Car Bumper PDC Reverse Parking Assist Sensor for Lexus ISF IS250 IS350 GS350 89341-30010-C0 75mm ID to 54.1mm OD Humps at both ends toFeatures: Direct replacement, easy to install. The PDC system works by setting a PDC parking sensor on the front or rear bumpers of the car, detecting obstacles in front and rear, helping the driver to "see" the obstacles when parking. Accurate measure the distance of vehicle rear and nearest obstacle. It's convenient to park, this device protects the car body from scratches. When the car is back to its limit, this parking sensor will warning to