ACCURATE READINGS Digital Air Chuck Inflator For Car provides stable readings with a 0.5 display resolution, accurate within 1% of the tire pressure. EASE OF USE 4 setting tire pressure gauge with hose connector enables singlehanded operation and a smooth transition between inflation and deflation. RELIABLE AND DURABLE Heavy duty Air Chuck with 255 PSI gauge for compressor; made from quality steel and sturdy brass components for allday performance in stores or garages. EASY TO READ Bright LCD backlight with auto on and off; displays large, clear numbers in four units: PSI, KPA, Bar, or Kg/cm^2. USE SCENARIOS Home tire maintenance: check and adjust car tires at the simple, convenient home workshop to maintain safety and fuel efficiency. Auto or garage use: service multiple vehicles with a reliable gauge and pressure capability, suitable for busy workflows. Roadside readiness: keep in the vehicle to quickly verify tire pressure and up as needed during trips or service calls, ensuring accurate readings in varying conditions.