Automatic Electric Ball PumpThe electric ball pump is equipped with intelligent pressure detection and stop function, which can be accurate to 0.1 PSI. Just set the correct ball PSI, press start, and once reaches the preset pressure is, it will automatically stop inflation. Smart and easy to use to make your life easier. Portable and Compact Design Size: 6.29*1.57*1.57in, Weight: 0.55lbs/210g , suitable for storing bags, boots or even bags. Allows you to take this mini pump with you wherever you need to keep your balls inflated. Bright LED lights and a backlit LCD display make it easy to use the ball pump at night or in dark places. Fast Ball Pump / Free Hands / Save Energy Air Volume Input: 4L/m, it only takes 1 -2 minutes to complete the ball inflation. Save more energy to hit your opponents. The built in digital pressure gauge and LCD display allows you to preset a very accurate PSI value to inflate your ball and then get an accurate ball pressure (PSI) level. Makes it easy to inflate the ball without wasting time Universal USB Cable The USB cable is designed to be compatible with any USB port for charging. Built-in 2000mAh lithium battery, fully charged for about 3 hours, can work for about 40 minutes. It also has built-in LED lights, perfect for fighting inflatable balls or emergency lights in nearby or dark places. Wide UsageComes with 1 swim ring nozzle and 2 ball needles and a hose. The ball pump is suitable for volleyball, football, basketball, rugby, children's toy balls. Also a small swimming ring for more fun in outdoor activities. Note: Not suitable for bicycle tires.