Siberian Express(TM) Train Horn with 152dB/150Hz Output

Sound Output: 152dB / 150Hz
Engineered with the Latest Technology Using Reinforced ABS Plastic
Trumpets & Mounting Base are Finished with Chrome or Semi-Gloss Black Finish
Requires On-Board Air System with Minimum 3 Gallon Storage Tank
Recommended Wolo On-Board Air System Model 840
1/4" Air Fitting and 10' of 1/4" Nylon High-Pressure Hose
Built with Heavy-Duty 12 Volt Electric Solenoid
Stainless Steel Mounting Hardware
Horn Size (LxWxH): 16-1/2" x 14-3/4" x 11"