Throughout its existence our company has developed dozens of the products designed for danger-related early warning systems. Our team of developers has been continuously working on and expanding this portfolio and it is thanks to them that our warning and public address products and solutions have been one of the cutting-edge products and solutions for dozens of years. They are currently used in many countries all over the world and on all the continents, except for Antarctica. Their certification pursuant to the international standards is of course a given.