4pcs 2.4 Bar Tire Pressure Monitor Valve Stem Caps Motorcycle Car Sensor Indicator Alert (Silver)

4pcs 2.4 Bar Tire Pressure Monitor Valve Stem Caps Motorcycle Car Sensor Indicator Alert (Silver)

1. Size and quantity: Height: 2.3cm, diameter:1cm, 4pcs in one package
2. Material and application: stainless steel, copper core, american valve cap, applicable for universal bicycle car
3. Function: Simply install on the air valve. According to the recognized color to display the pressure of the tire, red and yellow indication bar: tire pressure at below 2.0 Bar (Less than 75% of the standard), DANGER; Yellow and Green indication bar: tire pressure at 2.3-2.0 Bar (Less than 90% of the standard), WARNING; Green indication bar: tire pressure at normal range 2.4 Bar, SAFE.