Correct tyre pressure is vital to safety and keeps fuel consumption down. You can use this portable and compactheavy duty metal compressor suitable for 4x4s to check and top up your tyre pressure using a large, precision analogue display (PSI/Bar). It includes multiple adaptors in a handy holder so you can use it for air beds, balls and bikes as well as trailers, cars, caravans and motor homes. A typical tyre will only take around 2.5 mins to inflate. It comes with a bag, has anti-vibration rubber mounted feet and the 3m power cord and 50cm hose pack away neatly You can plug the 12v compressor into a cigar lighter.High speed inflation - 3.5 mins (0-36PSI/175/65/R14)Quick release connector valveMax pressure range - 0-150PSIMax amperage - 8AMax wattage - 100WAir flow rate - 12L/min