ANKIA Car Tire Tyre Pressure Monitor Valve Stem Caps Sensor Indicator 3 Color Eye Alert 4Pcs

🔴At-a-Glance 3 Color Visual Tire Pressure Alert: 4Pcs 2.2Bar(32PSI) tire pressure indicator valve caps made of Chromed Metal+PC with size 1cmX2.5cm,Green shows normal tire pressure,Yellow means pressure 10% lower than standard,Red alerts pressure 25% lower than standard,internal spring mechanism maintains consistent color indication during continuous high speed driving,transparent PC viewing window resists clouding and slow color fading under outdoor UV exposure,easy to read after wiping away surface road dirt 🔴Effective Air Leak Prevention: Built-in seal ring helps prevent air leaks,durable sealing ring maintains good performance through wide seasonal temperature variations,well fitted seal design keeps air tight after multiple install and remove cycles,compatible with metal and rubber standard tire valve stems 🔴Knurled Secure Fit for Standard Valve Stems: Fits most vehicles with standard valve stems,knurled chromed metal outer shell offers comfortable grip for hand tightening and helps resist loosening on bumpy roads,smooth metal finish reduces rim scratch risk during fitting,designed to work with most standard tire inflator nozzles 🔴Multi-Scene Versatile Application: Applicable to car,motorcycle,bicycle and more,calibration stays stable under normal cold and hot weather temperature fluctuations 🔴Reduce Tire Damage & Boost Driving Economy: Helps avoid premature tire wear or blowouts from under-inflated tires,increases fuel efficiency,safety and control,extends tire service life