LamarPublished Modified
Lamar Digital Billboard 840×400 ad specs
Lamar Digital Billboard 840×400 ads are horizontal 21:10 still images, measured at 840×400 px. They run in the Lamar digital billboards (programmatic DOOH) placement on Lamar.
- 840×400 px
- 21:10
Visual
- Dimensions
- 840 × 400 px
- Aspect ratios
- 21:10
Notes & source
- 1400x400 and 840x400 together reach over 90% of Lamar screens
- Ads rotate as a slide show every 6–10 seconds depending on location
- No QR codes on Lamar DOOH
Official source (opens in a new tab) · checked not yet
Frequently asked questions
What size are Lamar Digital Billboard 840×400 ads?
Lamar Digital Billboard 840×400 creatives are 840×400 pixels.
Where can I find the official Lamar Digital Billboard 840×400 documentation?
The official source for Lamar Digital Billboard 840×400 requirements is https://lamar.com/en/products/programmatic/media-formats, linked from this page.