TWO-TONE HORN - SYRENA "NAUTILUS" - 12V, 139 dB 1 PIECE, FANFARE WITH BUILT-IN COMPRESSOR Professional two-tone fanfare / "NAUTILUS" horn with built-in compressor. Very loud, guaranteeing high quality of workmanship combined with unprecedented durability and reasonable price. Comes with mounting hardware. ADVANTAGES OF PROFESSIONAL FANFARE "NAUTILUS": solidly and aesthetically made of high quality materials durable and resistant to weather conditions, shocks, vibrations, etc. (Of course, it should be mounted in such a way that it is not flooded or covered with sand, mud, etc. ) has a very long service life - do 100 000 on/off cycles universal - can be installed in any vehicle with an electrical system with a voltage of 12V can be installed in vehicles that do not have a horn at the factory robust sound membrane provides very loud sound - do 139 dB - throughout the entire life cycle of the device properly designed housing additionally enhances the efekt It equips the vehicle with a loud, resonant horn sound, which makes it better heard by other traffic participants. It also significantly increases safety on the road Improves the tone and quality of the horn in the vehicle very easy to install - self-installation za one screw TECHNICAL PARAMETERS: type of sound: two-tone - harmonized double sound volume of sound emitted: 139 dB (at a distance of 5 cm) / 115 dB (at a distance of 2 m) range of sound emitted: 530 - 680 Hz 5% power supply: 12V service life: 100 000 on/off cycles kolor: red DIMENSIONS: length: 14 cm Width: 10 cm Height: 11,2 cm CONTENTS OF THE SET: professional, very loud horn with housing mounting elements: screw, nut, washer, handle relay installation instructions 58103