Portable mini air pump: the electric inflation air pump weighs only 160 grams and has a small size of 5 cm x 5 cm x 9 cm. This mini air pump has two switches: one for starting inflation and one for LED lighting(the brightness is adjustable, 50-500 lumens, working time is 6-12 hours. Activate the function by long pressing the corresponding switch for 2-3 seconds). It is lightweight and practical and can be easily carried in your backpack. 5 Nozzle Adaptors: This mini electric pump is equipped with 5 different inflatable nozzles and is therefore compatible with most inflatable interfaces: air mattresses, inflatable mattresses, swimming rings, inflatable pillows and much more. Ideal for the beach, camping and outdoor parties. Please note that this pump is not suitable for balloons, basketballs and other balls. 4000 mAh battery: the inflatable air pump is equipped with a built-in 4000 mAh lithium battery, so no connection cable is required. Based on our tests, the air pump can work with various inflatable products for more than 30 minutes after full charge (avoid overheating and do not use continuously for more than 10 minutes). Instructions: Start the air pump by holding down the clover button for 2-3 seconds. Activate the light by pressing the light button for 2-3 seconds. Adjust the brightness of the light by pressing the light button for 4 seconds after starting the light. In addition, the pump has a power supply function and can charge USB devices such as mobile phones. Air pump and air vacuum worker: the mini air pump can be adjusted in two levels and is IP5 waterproof. When used as an air pump, the air pressure of the outlet is 2.5-4.5 kPa. When used to extract air, the suction power can be up to 3.5 kPa. As an air vacuum worker, it can save up to 50% space when travelling. It is small and lightweight and very convenient for travelling.