Power supply is a 12V AC to DC adapter with an output of 3.5A, which is compatible with Coleman QuickPump portable air pumps and certain air mattresses that require a 12V power source.
Specific Model: The specific model number shown in the image is TC-A010420120.
Usage: It is designed to power the rechargeable pump systems used to inflate and deflate Coleman air mattresses.
Voltage Note: Coleman also produces pumps that use different voltages (like 6V or 7.5V), so the correct adapter must match the specific pump's voltage requirement.