Here are Descriptions :

Voltage Output: The power supply provides a stable output voltage of 12 volts. This voltage is suitable for powering a variety of electronic devices that require a 12V DC power source.

Current Capacity: The maximum current output is 1 ampere (1A). This represents the maximum amount of current that the power supply can deliver to the connected device.

Connector Type: The power supply is likely to have a specific connector type, such as a barrel connector, with a specific inner and outer diameter. Common connector sizes for 12V power supplies include 5.5 x 2.1 mm or 5.5 x 2.5 mm.

Polarity: The power supply will specify the polarity of the output connector, indicating whether the center of the connector is positive or negative. It is crucial to match the polarity with the requirements of the device you are powering.

AC Input: The power supply is designed to accept standard AC input from a wall outlet. Common input voltages include 100-240V AC, making the power supply compatible with various regions.

Regulation and Stability: A good power supply should provide stable and regulated output voltage, ensuring reliable performance and preventing damage to connected devices.