HELLA 003399801 Supertone 12V High Tone / Low Tone Twin Horn Kit with Red Protective Grill, 2 Horns (3AG 003 399-801) These are the famous loud and powerful Dual Supertone Horns which look and sound like nothing else on the road. These horns guarantee the attention needed in every situation. Coming with a Black Coated Metal body with a Red Protective Grill for a distinctive and stylish look, these horns are for the performance oriented driver for a high level of safety combined with great design and high quality. HELLA Supertone 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. Supertone horns come with a M8 screw horn bracket and with flat connections of 6.3 mm, open, blade type. High tone: 500 Hz - Low tone: 300 Hz - Sound level: 118 dB(A) - Voltage: 12Volts. ECE-R28 approved. Application: UNIVERSAL; Kit includes 1 high-tone Supertone horn, 1 low-tone Supertone horn, 1 12V relay, 2 mounting brackets, and mounting instructions.