Compatible with Dell Docking Station D1000 D3100 Ultra HD 4K Triple Display Wireless Laptop UL Listed Products - the product has successfully met stringent requirements. Don't buy potentially inferior or dangerous chargers that can harm your laptop or worse. Output Max - 19.5V 3.34A 65W, compatible with 19.5V 2.31A 45W Input Volt Range - 100-240V Package - 1 X power cord Guarantee - Within 30 days of purchase, we offer a no-questions-asked replacement guarantee and a 360-Day-Quality-Guarantee by the Manufacturer.