4pcs Car Tire Valve Stem Caps with 3 Colors Indicator

General description These 4pcs Car Tire Valve Stem Caps feature a chrome-plated metal and PC construction, designed to visually warn you when tire pressure is low. The innovative green/yellow/red indicator system helps prevent premature wear of underinflated tires, increases fuel efficiency, enhances safety and control, and extends tire life. Technical specifications Material: Chrome-plated metal + PC Size: 1 cm x 2.5 cm Recommended pressure: 32 psi Maximum pressure indication: 36 psi (2.4 bar) Usage The green light indicates normal tire pressure. The yellow light indicates tire pressure is approximately 10% lower than standard. The red light warns that tire pressure is approximately 25% lower than standard. Simply attach the valve cap to the tire air valve to monitor pressure. Installation Determine the appropriate pressure for your tires. Inflate the tire to the correct pressure. Firmly attach the pressure cap. Check the color indicator to ensure proper inflation. Other information Warning: When removing the cap, ensure not to lose the black washer, as they are prone to falling off and difficult to find. It is advisable to remove them before servicing your car in a garage. Package Contents: 4 Valve Caps with Pressure Indicator.