ADVANCED TRUEGAUGE SCREEN: This battery tire inflator includes updated sensor technology, capable of collecting pressure data from tire inflators at a frequency of 200 times per second. Its valid data rate is higher than 80%, which is 60% better than the market average. Wherever you go, accurate readings help you drive safely. EASY TO USE: You can choose 4+N smart modes (car, motorcycle, bicycle, ball, and custom) based on your various inflation needs. You can also easily choose between 4 pressure units as needed (PSI, Bar, kPa, kg/cm²). The custom mode allows you to freely preset the desired pressure value (3-150PSI) based on the inflatables you want to inflate. 2X FASTER INFLATION & COMPACT: Weighing less than 1 pound, this portable tire inflator is easy to carry and store in any limited space, such as cars, bike racks, or backpacks. The compressors 150 PSI maximum pressure, coupled with its 17L/min airflow delivers 2X faster inflation. It can refill a 195/65R15 tire from 30 to 36 PS