When I ordered these parking sensors, I was not very confident about the accuracy, the device delivers! Installation proved to be not at all difficult (Toyota Corolla Compact) and was completed in less than 11/2 hours. Now the machine has the "baptism of fire" more than passed, very accurate and precise working there. Sometimes I've been getting caught me that I have not looked in the rearview mirror, but only on the display. If it "0.0m indicating one still has" a little bit "- about 30 cm, then you are" tuned Einparkerei "is perfectly possible Build" Everything was great and very good, am very satisfied Even an otherwise fairly critical. ". This part also in the VW one of my wife. Of course, the shipping was lightning fast and straightforward as one is now accustomed already by AMAZON.