Color conditions represent:
Green - Good & Perfect air pressure
Green with Yellow - It's time to pump air in
Red - Dangerous Air pressure condition

Specifics:
Special Features: Tire/tyre Pressure Indicator.
Type: Alert/Monitor Air Accessories
Valve type: Schrader
Able to use on: Auto/Manual Car, motorcycle/motor/motor bike, bicycle tube, e bike/ebike.
Tire: Pressure 2.4Bar
Benefit: Looking at the valve cap Instantly what are your tire pressure at which condition.