Play it safe - with the signal horns from HELLA. Signal horns are an absolute necessary and legally required accessory - and an essential safety feature. In view of the ever-increasing traffic in cities with millions of inhabitants, horn signals are essential to avoid accidents and collisions. An acoustic signalling device is used to ensure the safety of pedestrians but also other drivers. Horns come in a wide variety of designs and signal effects, depending on the intended use and requirement profile. HELLA offers a wide range of horns, each with a different sound. Over 100 years of experience in the development of horns and fanfares and continuous innovations through research - this is what distinguishes HELLA horns. Whether in cars, trucks, buses, emergency vehicles, motor homes, motorbikes or in agricultural and construction machinery - our horns are used everywhere.