1. Accurate Detection: Portable LED digital air pump with built-in high-precision sensing chip, measures pressure in real time, allows timely and intuitive understanding of tire pressure status to ensure travel safety.2. Multiple Inflation Modes: Support 5 inflation modes, with one button to switch between multiple pressure units PSI, BAR, KPA, kg/cm², can inflate car/SUV/motorcycle/bicycle tires and balls.3. Automatic power off function: Pre-set the inflation pressure value, inflation stops automatically when full, no need to constantly observe, and there is no risk of tire burst due to over-inflation.4. Long battery life: Built-in 4000mAh high-capacity battery, low power consumption and long battery life. Support USB output, can be used as a charging bank to charge phones, tablets, headphones, etc.5. LED Light: It has LED light, can be used as emergency light in the dark, convenient for inflating tires at night. Support 2 light modes, white light and red light slow flash with sound alarm.6. Reliable quality and quiet operation: Heat-insulated nylon braided tube, cold-resistant, explosion-proof and wear-resistant, long-lasting. Enhanced noise reduction structure, great noise reduction performance, low noise up to 60dB.7. Portable Design: Compact size and lightweight, easy to put in your bag or pocket, inflate or detect tire pressure anywhere and anytime. With safety hammer, convenient to break the glass and escape in emergency.