This inflator inflates from 28 to 35 PSI in 40 seconds and fully inflates in 4 minutes. It features a high-precision LED screen with 1 PSI accuracy and automatic shutoff. The device offers 4 preset modes for cars, bicycles, motorcycles, and balls, stopping automatically at the preset pressure. Price drops from $51 to $14.99. Free shipping over $35 or adds $6.99.