HONSDUKE 12 volts 200 PSI 100% duty cycle Air Compressor, similar to the 480C. This maintenance free heavy duty Air Compressor is designed for use with any high-pressure Air Horns that require an onboard air system, or many other uses that require air pressure supply. Designed to work with up to 5 gallon air tanks. Simple 2 electric wire installation. This is truly a great quality product you can count on. Ideal for any 12 volt vehicles such as SUV's, Trucks, RV's, Marine and more.