WERMA is a leading manufacturer of optical and audible signal devices, often commonly referred to as Signal Towers or Stack Lights, Andon Lights, Beacons, Xenon Beacons, Sounders, Buzzers and Sirens. There is also a comprehensive range of Ex -Beacons and Sounders and signal devices suitable for many hazardous area applications. Using the latest technologies available, LED Beacons and warning lights serving as status lights protect and guide people and equipment in the modern world.