Heartte&reg; Mini Portable Car Air Compressor 12V Electric Auto Tire Pump/Inflater (RH-12V-DQB) This air compressor is powered by cigarette lighter / DC 12V, ideal for inflating tires, balls, rubber floater, hovercraft and so on. It is compact, portable and easy to use. Simply turn on the switch, it will work automatically with low noise. 260PSI, inflates ordinary car tire in about 5 minutes(&gt;30PSI). There is a built-in pressure gauge to show tire pressue. Three nozzle adapters are included.