Safe and Efficient voltage:Input: 100-240V 50/60 Hz Output: 14.85V 3.05A Adaptive Model: Mac Book Air (11-13 inch, early 2015), (11-13 inch, early 2014),(11-13inch, mid 2013),(11-13 inch, mid 2012), Model: A1435, A1436, A1465, A1466. Smart LED: LED indicator shows amber while charging and turns green when fully charged. Safe:Built-in advanced protection systems ensure safety and charging efficiency. High Service:Dedicated customer service team provides prompt support for any inquiries. 45W charger