Advgears Tire Pressure Gauge (0-100 PSI)- High Air Pressure guage with Protective Rubber Guard and large 2" Easy Read Glow Dial, Perfect for Car, Suv, Rv, Atv, Truck, Motorcycle High Accuracy: This tire pressure gauge with 2" glow dial features easy-to-read 100 PSI single increment scale that glows in the dark, providing accurate readings that kepp motionlessly in place until you push the pressure reset button on the neck. Safety Guaranteed: This car pressure gauge can help ensure the safety of your passengers. Protecting your passengers is to set your car in top condition. Properly inflated tires are safer and less likely to fail at high speeds. Over-inflated tires make for longer stopping distances and will skid longer on wet surfaces. Environmental Gauge: This air pressure gauge is of great help to minimize emissions of your car, which is also very good for your wallet. Becuase under-inflated tires do indeed make contributions to pollution and increased fuel expense. Advgear tire gauge for car is good choice for mother land and save money. Easy to Use: The only thing you are supposed to do is to attach the auto pressure gauge to your tire's air valve - There is no need for you to hold it steady, and no need to look at the gauge - and the pressure will show right now. Risk Free: Quality guarantee and 5-star customer service. If you are not completely satisfied with your truck pressure gauge simply let us know and we will do our best to solve your problem.