Safety: This item is up to nationally recognized standards for high-level electronic safety. Fit for Samsung Galaxy A71 5G SM-A716U [Do not buy if your laptop requires more than 3A]. After-sales services: This product is eligible for replacement or returns within 30 days, and the manufacturer provides an additional 12 Months Guarantee Package Includes: 1 X Power Adapter. Output:5V 3A, 9V 2A, 12V 2A,15V 3A (30W MAX) Input:100-240V 50-60Hz