Automatic electric balloon pump: The electric balloon pump features an intelligent pressure detection and stop function; simply preset the correct pressure (psi), press to start, and it will automatically stop inflating.once the preset pressure is reached. Practical and easy to use.Fast ball pump frees your hands and saves your energy: Air intake volume: 4 l/min, which finishes inflating a ball in just 1 to 2 minutes. No need to sweat pushing or pulling these manual pumps with your hands. Savemore energy to beat your opponent.Precise pressure alignment: Built-in digital pressure gauge and LCD screen allow you to preset a very precise psi for inflating your balloon, and then obtain an accurate pressure level (PSI) in the balloons. Makes inflating balloons much easier.Easier without wasting time, you can concentrate, not on the ball but on the game.Precise pressure alignment: Built-in digital pressure gauge and LCD screen allow you to preset a very precise psi for inflating your balloon, and then obtain an accurate pressure level (PSI) in the balloons. Makes inflating balloons much easier.Easier without wasting time, you can concentrate, not on the ball but on the game.Precise pressure alignment: Built-in digital pressure gauge and LCD screen allow you to preset a very precise psi for inflating your balloon, and then obtain an accurate pressure level (PSI) in the balloons. Makes inflating balloons much easier.Easier without wasting time, you can concentrate, not on the ball but on the game.