DOMOM Tire Pressure Indicator Valve Stem Caps

Never worry about your tire pressure again with our DOMOM Tire Pressure Indicator Valve Stem Caps. The sensor gauges your car's tire pressure and alerts you if the pressure is too low. Keep it in your car to stay safe while you drive! FEATURES: ✔Material: Chromed Metal + Brass core + PC; Size: 0.4'' X 1.0''; 36PSI(2.4bar); Applicable to car,motorcycle,bicycle and so on.✔Three-color Cylinder Display: Green shows that tire pressure is normal(2.2-2.4 bar). Yellow shows that the pressure is 10% lower than standard(1.9-2.1 bar). You should inflate the tires in time. And when it is red, you need to be on guard since your tire pressure is below standard 25%(Below 1.8 bar). You must pay attention for your tires. You can make an instant judgment whether or not to inflate your tire pressure. Let you know immediately if a tire is low and which one is it.✔Anti-tamper nut: You could tighten the caps down so no one can steal them unless they are going to have a wrench to unscrew them. Don’t worry ab