1.1 Tire Inflator: This Tire Inflator is equipped with a powerful metal motor that delivers 150 Psi of maximum pressure and 34 L/Min of airflow. It quickly inflates standard car tires (195/55/R15) of 29 36psi in just 2 minutes, perfect for daily use and emergencies. 2.2 Air Pump For Car Tires: You can set the pressure value by yourself, suitable for electric cars, cars, motorcycles, bicycles to meet more inflatable products inflatable needs. One button easy switching operation is convenient. 3.3 Air Compressor Cordless Car Inflator Pump has preset tire pressure and auto shut off function to ensure a hassle inflation experience. When the tire pressure reaches the desired value, it will stop automatically to prevent over inflation. In addition, the built in Led light ensures operation at night. 4.4 Air Compressor: The Bicycle Pump is designed to be lightweight and compact, easy to store and easy to carry. Whether you want to put it in your backpack, hang it on your bike or put it in the storage box of your car, it will not be a trouble.