Stamp products include mint stamps, stamp sheets, souvenir sheet, presentation packandserviced first day cover (available at the 38philatelic offices on the issue day only).
The stamp issue has a first day cover envelope with yachts and motor boats in St Aubin's Harbour, and the presentationpack shows an aerial view of Mont Orgueil and the Royal Bay of Grouville.
When Brocious and I tested his hack at three New York hotels prior to his Black Hat presentation, his device was a messy two-piece contraption, with a circuit board wired to a separate battery pack, and it only worked on one of three rooms we tested.