The Vevor 12V onboard air compressor system includes a 1.6-gallon air tank, compressor, and pipe set for reliable air delivery. It operates within a 90-120 psi range and automatically maintains tank pressure for convenient use. Designed for train air horns, tire inflation, and air mattresses, it combines efficient performance with low noise. The heavy-duty steel tank features an anti-rust coating and a leak-resistant structure for durability. Universal 12V compatibility makes it suitable for a wide range of vehicles.