FREE: 4X Car Tyre Tire Pressure Gauge Indicator Alert Tpms Monitoring Valve Cap Sensor

The listing, 4X Car Tyre Tire Pressure Gauge Indicator Alert Tpms Monitoring Valve Cap Sensor has ended.

The tire valve stem cap will replace your current brittle plastic or stolen caps
Give you a warning about the pressure by color change
You can directly see the color change through the clear window
Useful diagnostic tool for car air press
Instructions:
Normal: In the standard tire pressure, the transparent window should be green, normal driving vehicles. ( >= 2.4 BAR )
Warning: The tire pressure slightly lower than the standard about 10 percent,
the transparent window yellow green, should be inflated. ( 2.0BAR ~ 2.3BAR )
Danger: About 25% lower than the standard tire pressure, a transparent window should be yellow red,
you should immediately check and inflate. ( < 2.0BAR )
Usage: Universal, fits for cars, trucks, bikes and motorcycles with a standard valve stem

Specification:
Condition: brand new and high quality
Main Material: Metal
Size: 2.5cm * 1cm ( approximate )
Color: as shown

Package Includes:
4 x Monitor Cap