Understanding the calculation of impressions
To calculate the number of impressions, i.e. the reach of your campaign, Displayce has defined a multiplier coefficient, or Imp. Multiply , for each screen in the inventory, in conjunction with all our partner advertising agencies. This indicator shows the number of people potentially present in front of each screen, and enables us to calculate the reach based on the number of times your ad will be played.
So for your media plan: nb of Impressions = nb of Plays * Imp. Multiply