feature:1. Wireless portable design, compatible with multiple nozzles, can inflate ordinary bicycle tires, football, car tires, motorcycle tires, etc.2. Tire pressure display: digital display, can detect tire pressure and test tire pressure at any time to avoid unexpected situations.3. Small size and easy to carry: no external power supply is needed when working. It is small in size, can be carried with the car, and can be easily put in a truck or backpack. Motorcycles are more free.4. Large-capacity rechargeable battery: This portable compressor certified lithium-ion battery and USB charging port support fast charging. The total capacity used is 2000mAh5. Fast and automatic inflation: The inflator can preset the tire pressure according to the needs. When the set tire pressure is reached, the tire pump will automatically shut off. Maximum inflation pressure for flat SI.Technical specifications:Input voltage: charger 5V/2ABattery capacity: 2000 mAhAir efficiency: Charge 1.95 mountain tires for 2 minutesEmergency photo: 80 lumens for 7 hoursWorking temperature: -10~45Noise decibels: 60 to 80 decibelsCharging method: Micro USBCharging time: about 3 hoursAchievable pressure: 150PSI/ 10.3BAR/ 990KPA/ 10.5KG/ CMProduct size: about 127*71*45mm/5*2.80*1.77inInstructions for use:1. Insert the pin on one end of the charger into the car USB, then insert the other end of the USB plug into the USB jack on the top of the pump, and charge the air pump 4 hours after the first charge, until each charge is completed.3. Switch between motorcycle, car and ball.The default mode of motorcycle display is 2.4 barThe default mode of the car monitor is 2.5 barThe default mode of the car monitor is 45 PSIThe default mode of the ball display is 8 PSIPacking list:1 x air pump host1 x United States Inflatable Tube1 x French inflatable adapter1 x spherical inflatable needle1 x Swimming ring gas nozzlenotes:1. Due to differences in camera equipment, light brightness and display screens, the color of the product may be slightly different from the picture.2. Due to manual measurement, please allow a difference of 0.1-2cm.