Portable mini air pump: the electric inflation air pump weighs only 160 grams and has a compact size of 5 cm x 5 cm x 9 cm. This mini air pump features two switches: one for starting inflation and one for LED lighting with adjustable brightness from 50 to 500 lumens and a working time of 6 to 12 hours. Activate each function by long pressing the corresponding switch for 2 to 3 seconds. It is lightweight and practical, easily fitting into a backpack. Includes 5 nozzle adaptors: this mini electric pump comes with 5 different inflatable nozzles, making it compatible with most inflatable interfaces such as air mattresses, inflatable beds, swimming rings, and inflatable pillows. Ideal for beach trips, camping, and outdoor events. Note that this pump is not designed for inflating balloons, basketballs, or other sports balls. Equipped with a 4000 mAh battery: the air pump has a built-in lithium battery, eliminating the need for external power sources. Based on testing, the pump can operate for over 30 minutes on a full charge when used with various inflatable items. To prevent overheating, avoid continuous use for more than 10 minutes. Operating instructions: start the air pump by pressing and holding the power button for 2 to 3 seconds. Activate the LED light by pressing and holding the light button for 2 to 3 seconds. Adjust the brightness by pressing the light button for 4 seconds after turning the light on. The device also features a USB output and can charge compatible USB devices such as smartphones. Dual-function design: the mini air pump offers two modes—inflate and vacuum—and has an IP5 waterproof rating. In inflation mode, the outlet air pressure ranges from 2.5 to 4.5 kPa. In vacuum mode, suction power reaches up to 3.5 kPa. As a vacuum helper, it helps compress items like clothing to save up to 50% space during travel. Its compact and lightweight design makes it highly convenient for travelers.