f(x) turn on the 'Red Light' with the release of their MV

The wait is going to be over soon as f(x) unveil their newest music video for 'Red Light'.

Fans have been eager to see the girls' changed image after the series of sexy and shocking teaser photos showing the members in intense and dark concept.

What do they have for this music video? Find out below:

http://www.youtube.com/watch?v=iv-8-EgPEY0