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![Amazon.com: SoundAlert 100 W Compact Siren Speaker [120-130 dB] [IP66 Waterproof] [Universally Compatible] Air Horn Speaker for Emergency Police Fire Vehicles : Electronics](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/81H0csaP+oL._AC_UF894,1000_QL80_.jpg "Amazon.com: SoundAlert 100 W Compact Siren Speaker [120-130 dB] [IP66 Waterproof] [Universally Compatible] Air Horn Speaker for Emergency Police Fire Vehicles : Electronics")