Safety: UL Listed. This item is up to UL's nationally recognized standards for high-level electronic safety. Fit for Asus R554 R554L R554LA Laptop [Do not buy if your laptop requires more than 3.42A]. After-sales services: This product is eligible for replacement or returns within 30 days, and the manufacturer provides an additional 12 Months Guarantee. Output: 19V 3.42A 65W Input: 100-240V Package Includes: 1 X Power Adapter.