1.1. More Precise Inflation: Our digital air pump features an upgraded digital chip sensor with a smaller and more precise error rate, automatically stopping once the preset value is reached. This design ensures more even and reliable inflation. 2.2. Multiple Presets: Our car tire inflator comes with five builtin scene presets and four air pressure units, switchable with a single button press. This saves you time and effort, allowing you to easily select your preferred inflation method and pressure unit. 3.3. Comfortable Nighttime Use: Our smart air compressor includes full button backlighting and an LED light next to the control buttons, making operation easier at night when the screen and buttons are illuminated. Thanks to this design, you can comfortably use the product in any environment. 4.4. Safer Inflation Connection: Our portable tire inflator features a recessed, antiscalding design in the inflation port, reducing the risk of burns to a certain extent. This design protects the user and provides greater safety when using the product.