The Milex 3 in 1 Air Compressor Pump has a built-in large-capacity baery. It can be used as a power bank to phones, tablets, earphones, etc.With Emergency LED light, it can be used as an emergency lamp in the dark. Support SOS flashing distress alert, which can be switched to be used in emergency situaons. It has an Intelligent LCD display and automac stop. When the air compressor hose is connected to there, The screen will show there pressure. Includes electric air pump, inflaon tube, 4 air nozzles (Presta valve, ball needle, swimming ring nozzle), carrying bag, and instrucon manual, it also comes with a type charging cable, allowing you to charge the airpump.