At the two ends, sticking out of the ground are o two identical "telephones" made of metal construction that ends in a funnel shape with a diameter approx. 265 mm. The front parts are made of polyethylene security panels, rounded edges, thickness approx. 19mm. The inner diameter of the front part, in the form of a flower, is approx. 240 mm. "Telephones" are connected, and placed at a distance of about 15 meters.
|Ø 265 mm||4421|