The Hella B133 Sharp Tone Disc Horn Set is used to deliver a clear, attention-grabbing warning signal for improved road safety in various driving conditions. It produces a powerful dual-tone output using electric sound generation across a 280Hz to 350Hz frequency range, ensuring your vehicle's presence is clearly heard.Explore the key features that contribute to the horn's effective performance:Dual-Tone Frequency Range (280/350Hz): Utilising a low tone at 280Hz and a high tone at 350Hz, the dual-frequency design enhances sound penetration through ambient road noise.118dB(A) Sound Output: The horn emits a sound pressure level of 118 decibels (A-weighted), using electric-powered diaphragms to produce a loud and sharp tone, ensuring your vehicle's signal is clearly distinguished from background.IP65 Rated Housing: The horn casing is built to IP65 standards, offering full protection against dust ingress and water jets, which means it remains operational and reliable even in wet.ECE Regulation R28 Compliance: The horn is certified to meet ECE R28 standards, which defines acoustic signalling device requirements for vehicles, ensuring that it is road-legal and performs consistently according to European safety specifications.60W Power Consumption: Operating on a 12V system with a total power draw of 60 watts, the horn is energy-efficient yet delivers strong acoustic output, making it suitable for integration into standard vehicle electrical systems without overloading them.The Hella Sharp Tone Disc Horn Set helps you maintain a strong, clear audible signal that meets road safety standards without compromising on electrical efficiency. Its dual-tone output and weather-resistant housing make it a valuable addition to your vehicle's setup, particularly when reliable signalling is needed in unpredictable environments. With its certified design and practical technical features, this horn set is a smart choice for keeping your vehicle compliant, functional, and ready for everyday driving conditions.Approval: ECE