This is a reliable, handy tire pump on board is a must-have for every car owner. The compact design is so convenient, you can store it anywhere in your car and it won’t take up much room! This pump has a self-contained battery that at full power can last up to 4 tires. It is made of an all-metal cylinder block making it durable and long-lasting. And it has self-illumination highlight beads that will aid you in those urgent emergencies.