These are new rear back up sensors for Volkswagen models 04-10 Touagreg, 09 Jetta, 09 Tigwan, 07 EOS, 03-06 Golf, and 06-06 Phaeton.
I have 4 units, all are new but 2 are in open boxes. I opened 2 of the boxes before realizing that I ordered the wrong sensors for our 2015 Audi Q7.