When you are on the road, nothing is more important than safety. Whether you drive a car, truck, motorcycle, or pretty much anything with inflatable wheels, you want to have the Keychain Digital Tire Pressure Gauge close by. Having properly inflated tiresis not only safer, it improves performance, fuel economy and the longevity of your tires. Checking your tires is never easier than with the convenient Keychain Digital Tire Pressure Gauge. Small and accurate, it takes quick readings with minimal effort. It shuts down automatically after a period of disuse to ensure that the battery lasts for ages. Keep one in each car!