【Ultra Mini Portable Portable Air Pump】: As a cordless portable air pump, the weight is only 5.64 ounces and the volume is only 3.03 x 2.26 x 2.02 inches. So it is very convenient to carry for hikers. It is not only mini, but also has a strong pressure of 4.5 kPa. Moreover, in order to cope with various situations in the field, it has an IP55 waterproof rating. 【Built-in 3600mAh rechargeable lithium battery】: Large capacity lithium battery ensures sufficient battery life. Up to one hour of continuous use. But to avoid overheating the air pump, please do not use it continuously for more than fifteen minutes. A full charge takes six hours. In an emergency, it can be used as a rechargeable battery. Holds 1.5 iPhone 12. 【Widely Applicable】: It has 5 different kinds of air nozzles. So it is suitable for most inflatable products, such as inflatable mattresses, boats, inflatable beds, air mattresses and inflatable toys, life buoys and vacuum storage bags. 【Adjustable Lantern and Pressure Size】: Our air pump has stepless dimming with camping light function. You are free to choose the brightness you want. The longest life is up to 12 hours. The air pump has two different pressure modes, 4.5 kPa and 2.5 kPa. This gives you more options. 【Perfect storage for home and travel】: A powerful inflation and deflation device, especially suitable for travel and outdoor activities. Don't hesitate to ask them if you have any questions.