Increase your travel safety and monitor your car tire in real-time using this universal tire pressure indicator valve. This tire pressure monitoring cap delivers a steady, precise measurement that visually indicates whether the tire is safe or under inflated. Allowing you to easily check the condition of your tire with just a single glance to avoid blowouts, rapid tire wear and car accidents. It will immediately display a visible color to indicate the state of your tires. • Red means it’s 25% l…