Quality Construction Superior Brass Spun Trumpets Chrome Finish Tri Tone Train Horn 12 Volt Electric Air Valve 10ft Air Line Mounting Hardware Installation Diagram  Horn: HornBlasters Outlaw Chrome Marine Horn Horn Length: 18.5″ (469.9 mm) Horn Width: 15.5″ (393.7 mm) Horn Height: 12.5″ (317.5 mm) Horn Weight: 15 lb (6.8 Kg) Port: 1/2″ NPT     WARNING HORNS PRODUCE EXTREME LOUDNESS   Use this product in a safe and responsible manner, at a distance of at aleast 100 feet from others. Proper Hearing protection must be worn when using this airhorn. Hearing loss or permanent damage may result from unsafe use. Never operate this product in a closed environment or close to pedestrians or others. It is the consumer’s responsibility to comply with local noise ordinances and D.O.T. sound level laws.   WARNING This product contains chemicals known to the state of California to cause cancer.