This SecoRüt high-performance marten shocker, developed and manufactured in Germany, protects your car from all unpleasant marten damage that can have serious consequences. Above a piezoelectric loudspeaker with a Nawimembrane is a cone in convex design, which has the same shape and diameter as the Nawimemran. The convex cone is arranged at a very specific distance above the centre axis. The height of the cone and also the distance, is tuned for the narrow-band radiation frequency and for the sound pressure. Due to this arrangement, the system produces a high sound pressure and an omnidirectional radiation of 360 degrees. A high-performance ultrasonic generator with a C-MOS output stage drives the piezo loudspeaker. The piezo loudspeaker generates an ultrasonic sound of 22.5 KHz +/- 1 KHz, which is inaudible to humans. The sound level scares away martens and wild animals up to a range of approx. 350 metres via this special arrangement. The system switches on and off at a certain time interval. A white ultra-bright light-emitting diode additionally unsettles the martens. Power supply: 24 V.