Vakeen&reg; Premium Heavy Duty Car Tire Pressure Gauge for Auto, Motorcycle and Bicycle - 60 PSI Performance tested and certified accurate to ANSI B40.1 International Accuracy Standards (2%). Do not rely on battieries. Heavy-duty designed. Steel Structure with an Enhanced Rubber Hose. 360-degree swivel chuck allows for easy access to the tire valve from any angle Reliable. The Tire Air Pressure Gauge is Designed to Work in All-Weather. Easy operations. Vakeen brand new.2 year warranty.