3-in-1 Design: It allows you to check pressure, inflate, and deflate tires using a single handheld tool.Integrated Gauge: Features a large, clear analog manometer to read real-time pressure levels.Pistol Grip Trigger: Simple mechanical handle control. Pulling the trigger inflates the tire when connected to an external air compressor system.Flexible Hose: Includes an attached high-pressure air line fitted with a clip-on brass chuck for secure connection to tire valve stems.