*Brand New, Input: AC 100-240V, 50-60Hz, Output: 19V 3.42A, 100% compatible with the OEM *Compatible for: HP 21.5 23 23.8 24 25 27-inch Display Series 22er 22es 23er 24ea 25er 27er 27es; HP Pavilion 20 21.5 23 25 27-inch Display Series IPS LED Blacklit Monitor *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.