Products Feature:

AC input voltage : 100 ~ 240V 50 ~ 60 Hz 
DC output : 20V ~ 3.25A 
Power: 65W

Connecter size: Square Yellow Interface

you can choose the EU/UK or the US plug.

Fits for laptop computer model:

Lenovo

Lenovo IdeaPad Yoga 11 Series
Lenovo IdeaPad Yoga 11s Series
Lenovo IdeaPad Yoga 13 Series
Lenovo IdeaPad U330p Series
Lenovo IdeaPad U430p Series

Lenovo ThinkPad S3 Series
Lenovo ThinkPad S3 Touch Series
Lenovo ThinkPad S5 Series
Lenovo ThinkPad S440 Series
Lenovo ThinkPad T431s Series
Lenovo ThinkPad T440s Series
Lenovo ThinkPad X1 Carbon Series
Lenovo ThinkPad X1 Helix Series
Lenovo ThinkPad Helix Series
Lenovo ThinkPad X230s Series
Lenovo ThinkPad X240 Series
Lenovo ThinkPad X240s Series
Lenovo ThinkPad Edge E431 Series
Lenovo ThinkPad Edge E531 Series
Lenovo ThinkPad Edge S431 Series

Lenovo M490s Series