✅ Normal: Green shows that tire pressure is normal.
✅ Yellow: Shows that the pressure is lower about 10 percent than the standard
✅ Red: Alerts you that the pressure is lower about 25 percent than the standard
✅ Applicable: Car, motorcycle, bicycle etc. Ensure you fit it tightly on the valve.
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.