Input: 100-240V 50/60 Hz Replacement charger AC adapter for notebook Pro 13' Inch before Mid 2012 Safety: advanced technology and certificated with UL/CE/FCC/RoHS standard, can protect your equipment from over current, over voltage, over load, short-circuit After-Sales Service: If anything goes wrong with the item, please do not hesitate to send email or contact us. We will reply you within 12 hours