The trinity portable automobile sent the air pump and enclosed different air mouths, the ones that for using in automobile tire , pneumatic boat , bicycle and balled were inflated. Inflate atmosphere pressure the most: 300PSI (general tire can keep 220PSI) and but contact cigarette device power the warning light glimmers as the light. Mixing three kinds of angry mouths, it is very convenient to use. It is light warning change-over switch to take , can is it light , build car night to used in. It send out red to only glimmer and report to the police to transform into. Can reach normal atmospheric pressure 206PA in about 15 minutes. The car tire keeps correct tire pressure at any time, can save the petrol , protect the tire, and guarantee the traffic safety. Small, put it in the rear cabinet of the automobile, not taking the space. the magical effect is infinite , furnished with working at night the light and flashing warning light, help meet an urgent need kind tool when being out of order as pet car.