usage:inflate car tires ,bike tires AVTtires and so on operating temperature:- ... , air compressor, portable air compressor, mini air compressor tyre inflator, tire inflator, car air compressor,heavy duty air compressor, metal air ... : DC12V 7Bar/100PSI pressure gauge* Diameter of cylinder: 28 mm* Inflate ordinary 185/70R 13 tires about 3minutes* Self-motion deflate ...