DC 12V Air Compressor 150psi with Universal 6 Liter Tank Train Air Horn Kit. Size:380(L)×140(W)×300(H)mm. Max Working Pressure:150 PSI. Tank Capacity:6L(1.6GAL). Pressure Switch Setting: 90 PSI on, 120 PSI off. High quality material, durable. The compressor exerts wide ranges of use, such as tire of vehicle, auto engines and bicycle; balls, toys and boats, etc. It is good for the emergency needs when you are on highway and countryside road or rush for office on the morning while the tire is in low pressure. Convenience to put it in trunk of car and occupy any space. The appropriate tire pressure not only save gas but also ensure the safety of driving.