*Brand New, Input: AC 100-240V, 50-60Hz, Output: 19.5V 3.34A, 100% compatible with the OEM *Compatible for: Dell Inspiron 11-3179 13-7348 13-7359 13-7353 14-5452 14-5455 14-5459 14 5451 14 5457 15 5551 15 5552 15 7568 17 5755 17 5759 *Intelligent Security Technology. Multi Protect- Short Circuit Protection - High Quality Raw Materials; Over Temperature Protection - Over Voltage Protection; Low Ripple and Noise-Over Current Protection *Warranty & Service: 30 Days Money Back Guarantee/12 Months Warranty. CE/FCC/RoHS certified for security, 100% compatibility with the OEM. *Best customer service. We value our customers so that if you have a problem we are always here to offer help. Any problems please contact us.