99-PSI Professional Digital Tire Gauge Check your RV tires with this handy tire gauge. AU1102 This tire gauge has a backlit LCD screen which makes it easy to read, even at night. Has a tire depth gauge which quickly tells you when your tires need to be replaced. Gauge reads pressure from 1-99 PSI and in .5 increments. Zinc alloy housing makes unit light weight and durable. Order Here Item # Price Quantity   AU1102 $22.71