Vixen Horns Train Horn Trumpet Black for Motorcycle/Bike/Truck/Car. Super Loud dB. Fits 12v/24v Vehicles VXH1101

This compact size snail air horn will produces a loud powerful sound. The integrated solenoid valve is compatible with 12 or 24 volt power sources. Solenoid and bracket are made of metal while the trumpet features a strong durable plastic. Comes with hose and mounting hardware. An on-board air system is required for operation. Designed for installation in the engine compartment of buses, coaches and trucks but can be also used on any vehicle where space is limited. Snail Air Horn (Black) Strong ABS Trumpet with Metal Air Chamber 12V/24V Integrated Solenoid ¼" OD Nylon Plastic Hose (6 Feet) Mounting Hardware: Bolts and Nuts Dimensions: 5-¼" L x 4-¼" W x 8-¼" H Note: Onboard Air System Required