It has a preset tire pressure and automatic pumping features that stops automatically when the tire is full pumped. This device is suitable for various items such as vehicles, car tires, motorcycle tires, bicycle tires, and balls. Additionally, it can be used for accuracy tire pressure detection, high-definition LED digital display, LED lighting, emergency signal lights, red & blue emergency warming light and big battery capacity portable power bank function, making it a versatile tool for any occasion.