[Automatic Electric Ball Pump] Features intelligent pressure detection and auto-stop function. Simply preset the desired PSI, press to start, and the pump will automatically stop once the preset pressure is reached. Smart and easy to use. [Fast Inflation Hands-Free Operation] Airflow rate of 4L/M, inflates a ball in just 1-2 minutes. Eliminates the need for manual pumping, saving effort and time. [Accurate Pressure Control] Equipped with a built-in digital pressure gauge and LCD display for precise PSI settings. Ensures accurate inflation levels for optimal ball performance. [High-Capacity Rechargeable Battery] 2000mAh battery provides enough power to inflate up to 30 balls on a single charge. Includes USB charging cable; fully charges in approximately 120 minutes. [Portable Compact Design] Compact size fits easily in a bag, pocket, or car trunk. Ideal for on-the-go use. Integrated bright LED light and backlit LCD screen allow for easy 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 screen display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm.