Comes with a 5 gallon air tank, and 12 volt 200 PSI heavy duty maintenance free compressor. Includes Mounting Hardware, Brass Fittings, Air Hose, Electric Air Valve, 240 PSI Air gauge, 170/200 PSI Pressure Switch, installation instructions. Ideal for vehicles such as Truck, RV, SUV, Boat, Pick-Up, and many more applications. Air horn overall dimensions: 15-1/2" L x 11-1/2" W x 12-1/2 H. Air tank dimensions: 21" L, 7-1/2" H, 6-1/2 in diameter.
Air compressor dimensions: 10-3/4" L x 4" W x 6-3/4 H.