4 in 1The multifunctional car battery starter can not only be used to quickly start the engine, but also can be used as an inflatable pump, power bank or LED light, more practical. Emergency Jump Starter: The 1000A emergency jump starter can help you quickly start most 12.0V voltage cars that have gasoline engines up to 5.0L. Air CompressorThe 150PSI inflator pump supports 4 inflation modes, can inflate car/motorcycle/bicycle rims and balls with preset tire pressure, and automatically stops when full. Built-in Battery & LED LightBuilt-in 7500mAh high-capacity battery, long-lasting, can be used as a power bank to charge phones, tablets or other devices. With LED light, support lighting and SOS mode, perfect for night use. Multiple ProtectionsBuilt-in high-performance chip, supports multiple protection functions, short circuit protection, reverse connection protection, overload protection, overcharge protection,