The product is a genuine ASUS laptop charger AC adapter power supply, specifically designed for the ASUS X551 model. It has a maximum output power of 65W and an output current of 3.42 A, with a voltage of 19V. The charger comes in a sleek black color and is manufactured by ASUS, ensuring compatibility and quality. Additionally, it comes with a 6-month manufacturer warranty, making it a reliable and long-lasting power adapter for your ASUS laptop.