The Genuine OEM 120W AC Adapter compatible for Lenovo H520s C455 F0AD AIO 54Y8916 is a black AC/DC adapter specifically designed for Lenovo computers. It has an output power of 45W and a voltage of 19.5V, with a current of 2.25 A. This adapter is compatible with the Lenovo H520s C455 F0AD AIO 54Y8916 model, providing a reliable and efficient power source for your device. The product is a genuine OEM Lenovo adapter, ensuring quality and compatibility with your computer.