HELLA 004811021 24 V 310 Hz Supertone Low-Tone Horn with Bracket Hella's ultra-reliable disc horns look and sound like nothing else on the road. These horns guarantee your highest safety and the attention needed in critical situations. Disc horns are for drivers looking for a horn that combines a good price-performance ratio and high quality. HELLA horns guarantee best functionality, optimum fit and long lasting customer satisfaction. Original equipment quality horns you can trust from a global leader in automotive technologies for more than 100 years Disc horns come with a M8 screw horn bracket and with flat connections of 6.3 mm, open, blade type. Low tone: 310 Hz - Sound level: 114 dB(A) - Voltage: 24Volts Application: UNIVERSAL; Kit includes: 1 Piece Low tone 310 Hz Horn