1)2 in 1 ,car vacuum cleaner with car air compressor 2)ABS or PP plastic housing 3)Voltage:DC12V 4)Air flow: 20L/MIN Instructions for use:1, remove ... tire filling valve, nozzle tighten in a clockwise direction.2, insert the 12V cigarette lighter plug in the car cigarette lighter.3, switch ... can.Notes: 1)· the products cannot be used in large trucks; 2)when you use it you should start car's motor 3 ...