Fit for Asus V551 V551L V551LA V551LB X401 X401A X401U X501A X501 Laptop Output: 19V 3.42A 65W Input: 100-240V 50-60Hz Portable Design, Ideas for Travel, Business, Office, Home Use. Package Includes: 1 X AC Adapter (Tested, Approved and Certified by UL) After-sales services: This product is eligible for replacement or returns within 30 days, and the manufacturer provides an additional 12 Months Guarantee.