[Automatic Electric Ball Pump] Electric ball pump with intelligent pressure detection and auto-stop function. Simply preset the correct PSI, press to start, and the pump automatically stops inflating when the desired pressure is reached. Smart and easy to use. [Fast Inflation – Hands-Free and Energy-Saving] Airflow rate: 4L/M, inflates a ball in 1-2 minutes. Eliminates the need for manual pumping, saving effort and time. Focus on the game, not the inflation process. [Accurate Pressure Control] Built-in digital pressure gauge and LCD display allow precise PSI presetting for accurate inflation. Ensures consistent ball pressure for optimal performance. [High-Capacity Rechargeable Battery] Equipped with a 2000mAh lithium-ion battery, capable of inflating up to 30 balls per charge. Includes USB charging cable; full charge time approximately 120 minutes. [Portable Compact Design] Compact size fits easily in bags, pockets, or car compartments. Ideal for on-the-go use. Features bright LED lights and a backlit LCD screen for convenient operation in low-light conditions. Color: Black Material: Aluminum alloy Package Contents: 1 x Smart Ball Pump 1 x USB Cable 1 x 10 cm Air Hose 2 x Ball Needle 1 x Swim Ring Nozzle Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.