Car Tyre Pressure Monitoring Valve Caps Sensor Indicator Dust Monitor Alert 4Pcs.
- 30-32-36 PSI Visually alerts you when the tire pressure is low to help avoid premature tire wear or blowouts from under-inflated tires.
- 3 Colors to alert Indication: Green shows that tire pressure is normal Yellow shows that the pressure is down about 5 pounds Red alerts you that the pressure is down by at least 10 pounds.
- The application of the tire valve caps will greatly save use of oil and reduce the rub of the tire and prolong life time of it.
- Easy application; just unscrew the original cap and screw into the tire pressure monitoring valve caps.
- Tire Pressure Indicator Valve Stem Caps could also be used on motorcycle tires and bicycle tires.
- Fit for 30-32-36 PSI, applicable to car, motorcycle, bicycle and so on. WARNING: When removing a cap. make sure that you do not lose the black washer. They are inclined to fall out and are very difficult to find again. It is advisable to remove them before your car is serviced at a garage.
- Package : 4 x Tire Pressure Indicator Valve Stem Caps. Notes: When you make automatic car wash, remove these air caps would be better.

3 Noticeable Colors, Easy to view, Save worry and Safe
Visually alerts you when the tire pressure is low to help avoid premature tire wear or blowouts from under-inflated tires.
Green/yellow/red system indicate level of proper tire inflation. According the recognize color to display the pressure of the tire.
Green shows that tire pressure is normal.
Yellow shows that the pressure is 10% lower than standard about 5 pounds.
Red alerts you that the pressure is 25% lower than standard at least 10 pounds.