Longacre Racing digital tire air pressure gauges. Available in 3 styles. Choose from Professional Digital Tire Gauge with Memory, Digital Tire Gauge with Backlight and the Economy Digital Tire Gauge. The Professional Digital Tire Pressure Gauge with Memory: This is the ultimate in 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, swivel chuck and comes with a foam lined hard carrying case. Digital Tire Gauge with Backlight: Has a large 2 1/2" gauge face, an air pressure release button, external gauge bumper for protection, 1.5 to 60 PSI by .1 PSI. Tire pressure reading always active and has night light for dark pits. Economy Digital Tire Pressure Gauge: Pressure reading always active. No hold. 0-100 PSI with automatic zero. Read to .5 PSI. Comes with air pressure release button, external gauge bumper for protection and ultra flexible 14" hose.