This is a 7-in-1 portable multi-functional car jump starter and digital tire inflator air compressor, complete with jumper cables, an air hose, and smart safety features.Core Functions: Combines a high-peak-current car battery booster pack with a built-in digital air compressor for inflating vehicle tires, sports balls, and bicycle tires.Additional Features: Functions as a portable power bank (USB output) and features a multi-mode LED emergency flashlight with steady, strobe, and SOS settings.Safety & Display: Includes a digital pressure gauge screen and multiple intelligent built-in electronic protection safeguards (such as reverse polarity and over-current protection).