1. 3in1 Multifunctional Pump: This pump combines inflation, deflation, and LED light functions, making it an essential tool for travel and outdoor activities. The builtin LED light and hanging loop are for camping, offering both utility and comfort. Compact and, it measures only 3.54 x 2.16 inches and weighs just 0.48 pounds. 2. 4000 mAh Rechargeable Battery: Equipped with a powerful 4000 mAh rechargeable battery, this pump can be charged via a charger, computer, or power supply. The large battery capacity ensures extended use, while the LED indicator clearly displays the remaining power. A full charge takes about 5 hours, ensuring you're always ready for your next adventure. 3. Fast Inflation and Deflation: With a maximum pressure of 4 KPa and an airflow of 280 L/min, this pump works quickly to inflate or deflate various products. It takes about 100 seconds to inflate a mattress, 15–20 seconds for a swimming pool, and only 5–10 seconds to empty a vacuum storage bag. Additionally, it can help start a fire while camping, enhancing its versatility. 4. EasytoUse Design: For convenience, this pump features a single switch for. Simply select the appropriate nozzle from the included kit for inflation or deflation. Press the button for 2 seconds to turn it on or off, and doubleclick to control the LED light. Short presses switch between two lighting modes, making it ideal for camping.