Stop filling the tires on your car, truck, ATV, motorcycle, or bike until they just look like they’re good to go. Know for sure that they are filled to their recommended pressure with the STEELMAN 97977 High Accuracy Digital Gauge Tire Inflator with Temperature Compensation and get the best and longest use from your tire investment while also increasing safety and saving money by maximizing fuel economy. The easy-to-read, 2.6-inch diameter gauge is backlit and can be set to display pressure in one of four different scales – PSI, Bar, kPa, or kg(f)/cm2 with a simple button press to switch between them. The display can be set for reading peak/valley/track pressure modes. A rubber boot provides added protection for the gauge and the sturdy metal body is fitted with a 15-inch whip hose with a push on swivel chuck. Unit runs on one 9 volt battery (included for convenience) and has a built in automatic shut off timer to preserve battery life. An easy to follow instructional key chain hangs from the unit for easy access and reference. This unit exceeds the requirements of California AB32 and includes a certificate of conformance that may be retained by the purchaser to demonstrate and assure compliance to the law.