Automatic Electric Ball Pump The electric ball pump is equipped with intelligent pressure detection and stop functions that are accurate to 0.1 PSI. Just set the correct ball PSI, press start, and it will automatically stop inflating once the preset pressure is reached. Smart and easy to use, making your life easier. Portable and compact design Dimensions: 6.29*1.57*1.57 inches, Weight: 0.55 lbs/210g, suitable for storing bags, boots and even allowing you to take this mini pump with you wherever you need to inflate your ball. The bright LED light and backlit LCD display allow you to easily use the balloon 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 opponent. The built-in digital pressure gauge and LCD display allow you to preset very accurate PSI values to inflate the ball and then obtain accurate ball pressure (PSI) levels. Allows you to easily 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 in about 3 hours, can work for about 40 minutes. There is also a built-in LED light, perfect for an inflatable ball or emergency light near combat or in dark places. Versatility Comes with 1 swim ring nozzle and 2 ball needles and hose. The ball pump is suitable for volleyball, football, basketball, rugby, and children's toy balls. There is also a small swimming ring to make outdoor activities more fun. NOTE: Not suitable for bicycle tires.