1. TIRE PRESSURE DETECTION INTELLIGENT CONTROL Our Tire Inflator Portable Air Compressor has a ultralarge LCD display screen with 4 pressure measurement units PSI, BAR, KPA, KG/c. It reports accurate data in real time, allowing you to know the tire pressure at a glance, even in bright sunlight! 2. COMPACT PORTABLE It is easy to store in a framemounted bottle holder, bike saddle bag, pocket, and seat packs. It will be a good helper for you on the cycling road! 3. HD DIGITAL DISPLAY AND LED 2 IN 1 This portable air pump integrates a definition LCD display with multifunction LED lights. The LCD screen shows realtime tire pressure data and 5 inflation modes. The LED light has 3 modes (Illumination/Strobe/SOS) for nighttime inflation safety, and a long press on the LED light activates the SOS emergency strobe. 4. PRESET PRESSURE AND AUTOSTOP This cordless tyre inflator offers both automatic and manual options with preset pressure. It will automatically stop inflating when the preset value is reached to avoid overinflation.