With this design notebook adapter, you will always have a secondary power solution available for at the office, at home or for when you are travelling. It is also the perfect replacement for a broken or lost adapter. 2 different voltage levels (15V and 19V), easy to adjust thanks to a turn mechanism. The package includes 12 different tips, which cover all major 19V notebook brands/models. This adapter is protected against overload, short circuiting and overheating.