ARB E-Z Tire Deflator Model ARB510AARB E Z Tire Deflator Model ARB510A Adding to the E Z deflator, the ARB E Z Deflator Digital Gauge makes tire deflation even easier thanks to accuracy of up to + 1psi @ 15 75psi, a large digital read out with blue backlight display as well as multiple pressure readouts including PSI, BAR, KPA and KgF. Easy to read blue backlit display screen Max supply pressure: 350psi, 2400kpa Up to 200hrs runtime on set of batteries (2 x AAA) Large LCD digital