Selfie camera

Professional model, weatherproof, auto zoom. With dynamic shutter release, automatic forwarding of the photo and a graduated pricing model. At least the location was chosen fairly, right in front of the entrance to a kindergarten. 

It's not always traffic offenders who are flashed. The photo of a duck speeding at 52 km/h in a 30 km/h zone made the headlines earlier this year:
https://www.swissinfo.ch/eng/various/another-speeding-duck-flashed-in-k%C3%B6niz/89308932