This is a genuine ASUS smart power adapter with a power cord. ASUS laptops are very particular. Aftermarket adapters can damage the charging circuits on ASUS laptops. We strongly recommend you only use. The product number or product ID is unique and used to identify your ASUS devices. It features a long cord to allow you to use your laptop while it's charging. The adapter is a handy replacement for lost or broken chargers or provides a backup to ensure you never forget your charging cable wherever you go. This 45W laptop charger does not include a wall plug.