1) Specially  use for Audi, VW, SKODA, Porsche

2) Pulsating air column with fan-like sound propagation create soft, melodic tone quality

3) Continious beep for up to 3 minutes
4) Long service life and reliable quality
5) High quality diaphragms and unique contact points protection
6) Patented technology - microporous teflon filter to protect against dirt and humidity
7) Weather-resistant materials, fuly function even under harsh environment
8) Compact design permits easy installation