Safety: This item is up to nationally recognized standards for high-level electronic safety. Fit for Asus Vivobook F510QA F510Q F510UA F510U F510 F510UA-AH51 F510UA-AH55 Laptop [Do not buy if your laptop requires more than 0.00A]. 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 2.37A 45W Input: 100-240V Package Includes: 1 X Power Adapter, 1 X Power cord.