populo car tire pump, ac/dc portable air compressor pump for car (12v dc) and home (120v ac), car tire inflator with pressure gauge for bike, motorcycle, ball and other inflatables populo populo tire inflator can use an ac outlet (110v), or use a car dc vehicle's lighter socket connection (12v). it can satisfy most of the needs no matter you are on the road or at home. the air compressor unit has 3 adaptors to allow a range of functions, different adaptors for different usage such as inflating ball, inflating bicycle or car tires.