Wolo Long Horn ''BIG RIG TRUCK'' Sound

AIR POWERED - produces a powerful 'BIG RIG TRUCK' Sound. Two (2) durable red plastic trumpets. Easily installs in any 12 volt vehicle. The compressor is heavy-duty and is maintenance free with a bright chrome plated finish. If you want a air horn for your vehicle that will produce a 'BIG RIG TRUCK' sound, the Model 405 is the for you. Comes complete with all mounting hardware. Instruction in English/Spanish. 118 Decibels-415/450 Hz Short Trumpet - 11 5/8" Long Trumpet - 12 1/8" Click on sound icon to hear a sample. Note: The sample horn sound file is to demonstrate horns sound not loudness.