Create a new layer and choose the Pencil Tool (B) to represent a vertical, double, dividing line on the menu’s panel. (The first color is #2D2D2D and the second – #FFFFFF)

Apply the here shown parameters for this layer:
Blending Mode-Overlay

Make three copy of the new made layer and select the Free Transform option to place the copies the way it is indicated below:

Create a new layer. Select again the Pencil Tool (B) to draw an indicator of white color situated on the left side of the menu’s panel.