GPK Systems&reg; Ac Adapter for HP Stream 11-d020nr, 11-d010nr, 13-c010nr 13-c020nr 13-c009sa Input: 100 - 240 V (worldwide use) Output: 19.5V 2.31A 45Watt Service & Support 1 year warranty Products are CE/FCC/RoHS certified, tested by manufacturer to match and/or exceed specifications of OEM products. Designed exclusively for use with the laptops 100% compatibility with the original.