GoldFish Ads Digital Out-of-Home Specs Common ad sizes: Static or :15s, type mp4 1920x1080 1280x960 1080x1920 Static JPEG (billboard) 1400x400 840x400 File types: JPG or MP4 File weights: Under 50 MB Video length: 0:15 is standard* *On a case-by-case basis, Goldfish Ads can accept other durations or help slightly modify an existing asset, to make it work for the screens targeted in the campaign.