Safety: This item is up to nationally recognized standards for high-level electronic safety Fit for Dell Docking Station D1000 5RR7X, Fit for Dell Docking Station D3100 5M48M 452-BBPG [Do not buy if your device requires more than 2.53A] After-sales services: This product is eligible for replacement or returns within 30 days, and the manufacturer provides an additional 12 Months Guarantee Output:19.5V 3.34A 65W (Compatible with 19.5V 2.31A 45W) Input:100-240V 50-60Hz Package Includes: 1 X Power Adapter, 1 X Power cord