FEATURES - Input: 100-240V, 50-60Hz~ Output: 330 Watt 19.5V 16.9A (for worldwide use) Design with The LED indicator lets you know you it's on, and makes it easy to find in a dimly lit space. Come with the Long AC cable and make you charge in anywhere SAFETY- With the international quality certification authority, (UL FCC CE CCC Rohs) our products are in compliance with top industry standards, Design with protection of the short circuiting, overvoltage, overcurrent, and internal overheating. All our products provide ultimate protection for your devices.Please be careful about products of poor quality which will cause you trouble! COMPATIBILITY- For 330W 19.5V 16.9A Power AC Adapter ADP-330AB D Power Supply for Dell Alienware x51, M18x M18x R1, R2, R3, M18X-0143 330w AC Adapter F0K0N, 331-2429, 320-2269, XM3C3, DA330PM111 F0K0N, 331-2429, 320-2269, XM3C3, ADP-330AB B, ADP-330AB D, DA330PM111, CN-0XM3C3. Replacement- for Dell Alienware x51 Desktop, Alienware M18x M18x R1, R2, R3, AM