Detailed Information Material: metal Color: chrome Voltage: DC12V db output:150 db Placement on vehicle: left, right, front Surface finish: chrome plated Applicable Type:Universal 12V DC 150 psi Compressor Package information Quad Trumpet Train Air Horn 200 PSI Air Compressor 3 Gallon Air Tank Thermal Overload Protection Electric Air Valve Pressure Gauge Pressure Switch Air Hose, Horn Button Use note 1. When washing the car, remember to prevent the horn from getting wet, and use the air gun to dry the horn as soon as possible after.