This auto tire inflator provides a practical solution for inflating tires across vehicles and bikes. No battery is required; the built-in pump handles inflation for quick, convenient use. The standard tire pressure is preset in advance, making it simple to inflate, with the option to adjust pressure up or down to meet specific needs. It offers accurate tire pressure monitoring with an automatic display; pressure is detected and shown as soon as the connection is established. A tire at the correct pressure does not require inflation; under-inflated tires can be inflated to the desired level. Key benefits - Versatile compatibility: suitable for cars, motorcycles, bicycles, and more. - Battery-free operation: no battery required; uses the built-in pump for inflation. - Preset and adjustable pressure: standard pressure is pre-set, with the ability to raise or lower pressure as needed. - Accurate pressure monitoring: automatic display shows tire pressure as soon as connected; healthy tires are shown with no inflation needed, while under-inflated tires can be inflated. Use scenarios - Daily use: easily inflate car, motorcycle, or bike tires during routine maintenance or before commutes. - Road trips: verify tire pressure and top up as needed before long drives. - Home maintenance: check and adjust bicycle tires and other inflatables at home without extra tools.