This Genuine Asus Adapter is designed for ASUS laptops and has a voltage of 19V and a maximum output power of 30W. It comes with a black power cable and a 2.5mmx0.7mm tip size. This AC/DC Adapter Laptop Charger has a product number of AD82030 or AD820M0 010LF and is compatible with for ASUS laptops. Please note that this item has been previously used and has been tested for functionality. It may have some minor signs of wear and tear, but it does not affect its overall performance. If you have any questions or concerns, please feel free to contact us.