Features:Real-time Tire Pressure Monitoring: This car air pump provides instant and automatic tire pressure readings, allowing you to monitor the inflation progress and understand your tire's condition at a glance.Auto-stop Function: With the ability to pre-set your desired tire pressure, this pump requires no supervision as it automatically halts inflation once the set pressure is achieved, ensuring safety and convenience.3-in-1 Emergency Tool: Besides serving as a car tire inflator, this car air pump doubles as an emergency tool. It comes with LED lights for handling emergencies in the dark. It also includes a Type-C charging port and a USB output port, making it a suitable emergency power source for phones, tablets, and other devices.Cordless Design: The cordless design of this portable tire inflator pump provides ultimate convenience and flexibility. It allows for easy use anywhere, from home to the road to the outdoors.Dual Power Options: It's equipped with 6000mAh lithium batteries that can inflate up to four tires on a full charge, providing around 30 minutes of continuous operation. Even when the battery is depleted, the pump can be powered via a car cigarette lighter.