When the car battery runs out, it can start a 12V vehicle.
It has a digital display screen that can show the tire pressure.
It can inflate cars, motorcycles, bicycles, balls, swimming rings, inflatable beds, etc.
It can pre-set the pressure value and automatically stop when fully charged.
It can be used as a flashlight, as well as a warning light and SOS distress light.
It can be used as a portable power bank to charge mobile phones or tablets.
When it runs out of battery, it can be connected to the car's 12V cigarette lighter to continue using