The product is an open box genuine 40W Asus AC DC adapter, specifically the model ADP-40KD EXA0901XH. It is designed for Asus laptops and has a voltage output of 19V and an output current of 2.1A. The adapter is compatible with various Asus products and comes in a sleek black color. This AC/Standard adapter does not contain any harmful chemicals or materials, making it a reliable and safe choice for powering your Asus device.
eBay