Review on π Enhanced Tire Pressure Monitoring Valve Stem Caps - 4PCS Car Auto Sensor Indicators for Alerts by Joel Norfork
Run for a week before trusting their leaks. nkt
1 of 4 was leaking resulting in tire pressure. Mount two more tires. Every tire the cap was moved to is flat, the other three are fine.
Pros
- Yellow indicates the pressure has dropped approximately 5 lbs.
Cons
- Requires outlet
