Electric ball pump, smart air pump, portable fast inflator, equipped with accurate pressure gauge and digital LCD display, suitable for football, basketball, volleyball and other sports. Automatic electric ball pump: The electric ball pump is equipped with intelligent pressure detection and stop function, which can set the appropriate PSI (pounds per square inch) pressure. Press the start button and it will automatically stop pumping when the preset pressure is reached. Smart and practical, easy to use. Accurate pressure adjustment: With built-in digital pressure gauge and LCD display, you can set a very precise PSI (pounds per square inch) pressure for inflating the ball, achieving accurate ball pressure (PSI). Makes inflation easier and more convenient, without wasting time, so you can focus on the game instead of the ball itself. Fast ball pump - free your hands and save your physical strength: 4 liters/minute inflation, it only takes 1-2 minutes to complete the inflation of the ball. You don't need to push and pull the manual ball pump with your hands. Save more energy and defeat your opponents. Portable and compact design: Size: 17.5*4.5*4.5 cm, Weight: 0.55 pounds, can be put in your bag, shoes or even your pocket. This mini pump can be taken with you to inflate the ball anytime, anywhere. Bright LED light and backlit LCD screen, easy to use even at night or in dark environments.