Portable Cordless Tyre Inflator: Small size, light weight and comes with a storage bag, easy to carry and store, perfect for outdoor riding, camping, road trips and vacations, meets the needs of travel and family; Multifunctional Emergency Tool: This electric car tyre inflator is not only used for inflation, but also can be used as a mobile power source to charge your cell phone or other digital devices, it also has an LED light on the top that provides three lighting modes (SOS, Illuminated, Strobe), which allows you to easily inflate or change tires in darkness and serves as a warning signal to other vehicles at night; 4 Use Modes & 4 Air Pressure Units: This car tyre inflator has 4 working modes, which can respectively inflate cars, motorcycles, bicycles and various balls, not suitable for large trucks, buses, vans, RVs; It also has 4 pressure units (PSI, BAR, KPA, kg/cm), real-time tire pressure monitoring and adjustable inflation force; Efficient & Safe: The tyre inflator air compressor not only has a powerful motor for fast inflation with a high inflation pressure of 150 PSI, but also made of compact and hard material with double-sided heat dissipation design, which can reduce the high temperature caused by long time working, meanwhile, it can preset and monitor the tire pressure, and automatically turn off when the set pressure is reached, preventing over-inflation and ensuring safe and reliable use