This is an original AC adapter power supply designed specifically for HP printers 7510 and 7520, along with two accompanying ink cartridges. Also included is device driver CD and instruction guide. It is a reliable power source that guarantees optimal printer performance, ensuring high-quality and efficient printing. The adapter is compatible with laptops and desktops and is suitable for use in various settings, including the office, home, or school. Whether you need to print important documents or personal files, this power supply is an excellent choice. Purchase it today and experience the convenience and reliability of an original HP adapter power supply.