The image shows a Pittsburgh 12V 100 PSI High-Volume Air Inflator paired with a separate aftermarket 120V AC to 12V DC power adapter converter.How to use them together:Connect the inflator to the adapter: Take the 12V cigarette lighter plug extending from the air inflator and plug it securely into the round 12V DC barrel socket cord connected to the black power brick.Plug into the wall: Insert the standard 2-prong AC power cord from the adapter into a regular 120V household wall outlet.Power on the compressor: Flip the power switch on the air inflator to the "ON" position.⚠️ Critical Amperage WarningBefore running this setup under a heavy load (like pumping a car tire), verify the maximum current (Amps) rating listed on the adapter's label.The Requirement: This specific Pittsburgh 100 PSI air compressor typically draws up to 10 Amps to 15 Amps under full load.The Risk: Most standard AC/DC desktop power bricks only output 2A, 5A, or sometimes 8A. If the adapter is rated for fewer Amps than the compressor draws, the adapter will likely overheat, trigger its internal safety cutoff, blow a fuse, or fail entirely.If you are just filling low-pressure items like bicycle tires or sports balls, it may work briefly, but running it near max pressure requires a robust power source.Would you like help verifying the exact ratings from the text on the power adapter brick, or do you need recommendations for an alternative way to power the compressor?