Longacre Racing Quick Fill Digital Tire Air Pressure Gauge with Memory reads pressure without removing the fill chuck. Fills twice as fast and has a tire bleed button for excess pressure. This is the ultimate in quick fill tire pressure gauges. Store the cold tire pressures in Memory. When the car comes in, store the new hot pressures also. Recall and toggle back and forth to compare the gain. 1.5 - 100 psi and the display reads in 1/10th psi increments. Memory stores one complete set of both cold and hot pressures with easy recall. Has a High Flow release button, gauge bumper for protection, built-in night light, ultra flexible 17" hose, and a swivel chuck.