The Pressure, Inc. Professional Model DT150-34CV Digital Tire Pressure Gauge is designed to be accurate and durable for professional shops and race teams. a large, easy to read, LCD display gives fast positive readings from 4 PSI to 100 PSI in 0. 5 PSI increments. No more trying to interpret what mark' the needle is on. a convenient hose whip with a large brass ball chuck makes this gauge easy to use. An air bleed valve permits fast, accurate pressure adjustments. Accuracy within one percent is insured by automatic electronic temperature and atmospheric pressure compensation, each time the gauge is turned on. Durability is enhanced by solid state electronics, a protective shock cover and hose boots at stress points to prevent wear and abrasion. Testing in service shops and racing competition has proven the durability, accuracy and reliability of these gauges. The Auto Off feature makes life expectancy of the Lithium battery 5 years, and it is easily replaceable with a widely available calculator type battery. Proper tire pressure has been shown to increase gas mileage, tire life, handling performance and safety. It is essential for professionals and for racers, where accurate tire pressure can make the difference between a win and a loss.Pit Stop USA offers Pressure Inc. Professional Digital Tire Pressure Gauge DT150-34CV at low everyday prices. Be sure to check out all of our products from Pressure, Inc. including Pressure and Inc. Digital Tire Gauges.